* [PATCH 0/1] [1.1.2] Fix syslinux on kernel 3.3 @ 2012-05-30 15:29 Ross Burton 2012-05-30 15:31 ` [PATCH 1/1] syslinux: Avoid using linux.ext2_fs.h if possible Ross Burton 2012-05-30 15:57 ` [PATCH 0/1] [1.1.2] Fix syslinux on kernel 3.3 Joshua Lock 0 siblings, 2 replies; 4+ messages in thread From: Ross Burton @ 2012-05-30 15:29 UTC (permalink / raw) To: yocto; +Cc: Darren Hart Backporting a patch from master that fixes building syslinux on kernel 3.3. The following changes since commit 1cdea4cf5f8ec8b32aa406b1767338a11618dba5: syslinux: Avoid using linux.ext2_fs.h if possible (2012-05-28 12:29:04 +0100) are available in the git repository at: git://git.yoctoproject.org/poky-contrib ross/edison-2236 http://git.yoctoproject.org/cgit.cgi/poky-contrib/log/?h=ross/edison-2236 Darren Hart (1): syslinux: Avoid using linux.ext2_fs.h if possible .../libinstaller-Avoid-using-linux-ext2_fs.h.patch | 975 ++++++++++++++++++++ meta/recipes-devtools/syslinux/syslinux_4.03.bb | 5 +- 2 files changed, 978 insertions(+), 2 deletions(-) create mode 100644 meta/recipes-devtools/syslinux/files/libinstaller-Avoid-using-linux-ext2_fs.h.patch -- 1.7.7.6 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH 1/1] syslinux: Avoid using linux.ext2_fs.h if possible 2012-05-30 15:29 [PATCH 0/1] [1.1.2] Fix syslinux on kernel 3.3 Ross Burton @ 2012-05-30 15:31 ` Ross Burton 2012-05-30 15:45 ` Darren Hart 2012-05-30 15:57 ` [PATCH 0/1] [1.1.2] Fix syslinux on kernel 3.3 Joshua Lock 1 sibling, 1 reply; 4+ messages in thread From: Ross Burton @ 2012-05-30 15:31 UTC (permalink / raw) To: yocto; +Cc: Darren Hart From: Darren Hart <dvhart@linux.intel.com> Fixes [YOCTO 2236] With recent Linux kernel headers, such as 3.3 in Fedora 16, the linux/ext2_fs.h header has been removed. This causes compile failures for syslinux-native. Backport a fix to address this from syslinux-4.06-pre3. Signed-off-by: Darren Hart <dvhart@linux.intel.com> CC: Ross Burton <ross.burton@intel.com> CC: Joshua Lock <josh@linux.intel.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com> --- .../libinstaller-Avoid-using-linux-ext2_fs.h.patch | 975 ++++++++++++++++++++ meta/recipes-devtools/syslinux/syslinux_4.03.bb | 5 +- 2 files changed, 978 insertions(+), 2 deletions(-) create mode 100644 meta/recipes-devtools/syslinux/files/libinstaller-Avoid-using-linux-ext2_fs.h.patch diff --git a/meta/recipes-devtools/syslinux/files/libinstaller-Avoid-using-linux-ext2_fs.h.patch b/meta/recipes-devtools/syslinux/files/libinstaller-Avoid-using-linux-ext2_fs.h.patch new file mode 100644 index 0000000..77d7a5d --- /dev/null +++ b/meta/recipes-devtools/syslinux/files/libinstaller-Avoid-using-linux-ext2_fs.h.patch @@ -0,0 +1,975 @@ +From a1006762fa6f98750bb77d76dd992cb8ea9f9c99 Mon Sep 17 00:00:00 2001 +Message-Id: <a1006762fa6f98750bb77d76dd992cb8ea9f9c99.1333550572.git.dvhart@linux.intel.com> +From: "H. Peter Anvin" <hpa@zytor.com> +Date: Mon, 26 Mar 2012 22:51:09 -0700 +Subject: [PATCH] libinstaller: Avoid using <linux/ext2_fs.h> + +Don't use <linux/ext2_fs.h> if we can avoid it. + +Upstream-Status: Available in syslinux-4.06-pre3 + +The ioctl constants have been globalized and moved to <linux/fs.h>. +Use a private copy of ext2_fs.h from e2fsprogs with the ioctl +constants removed for the data structures. + +Do at least attempt backward compatibility for old kernel headers, but +no real hope of proper operation there... + +Signed-off-by: H. Peter Anvin <hpa@zytor.com> + +Massaged into 4.03. + +Integrated-by: Darren Hart <dvhart@linux.inte.com> +--- + libinstaller/ext2fs/ext2_fs.h | 856 +++++++++++++++++++++++++++++++++++++++++ + libinstaller/linuxioctl.h | 29 ++- + libinstaller/syslxcom.c | 12 +- + 3 files changed, 886 insertions(+), 11 deletions(-) + create mode 100644 libinstaller/ext2fs/ext2_fs.h + +Index: syslinux-4.03/libinstaller/ext2fs/ext2_fs.h +=================================================================== +--- /dev/null ++++ syslinux-4.03/libinstaller/ext2fs/ext2_fs.h +@@ -0,0 +1,856 @@ ++/* ++ * linux/include/linux/ext2_fs.h ++ * ++ * Copyright (C) 1992, 1993, 1994, 1995 ++ * Remy Card (card@masi.ibp.fr) ++ * Laboratoire MASI - Institut Blaise Pascal ++ * Universite Pierre et Marie Curie (Paris VI) ++ * ++ * from ++ * ++ * linux/include/linux/minix_fs.h ++ * ++ * Copyright (C) 1991, 1992 Linus Torvalds ++ */ ++ ++#ifndef _EXT2FS_EXT2_FS_H ++#define _EXT2FS_EXT2_FS_H ++ ++#include <linux/types.h> ++ ++/* ++ * The second extended filesystem constants/structures ++ */ ++ ++/* ++ * Define EXT2FS_DEBUG to produce debug messages ++ */ ++#undef EXT2FS_DEBUG ++ ++/* ++ * Define EXT2_PREALLOCATE to preallocate data blocks for expanding files ++ */ ++#define EXT2_PREALLOCATE ++#define EXT2_DEFAULT_PREALLOC_BLOCKS 8 ++ ++/* ++ * The second extended file system version ++ */ ++#define EXT2FS_DATE "95/08/09" ++#define EXT2FS_VERSION "0.5b" ++ ++/* ++ * Special inode numbers ++ */ ++#define EXT2_BAD_INO 1 /* Bad blocks inode */ ++#define EXT2_ROOT_INO 2 /* Root inode */ ++#define EXT4_USR_QUOTA_INO 3 /* User quota inode */ ++#define EXT4_GRP_QUOTA_INO 4 /* Group quota inode */ ++#define EXT2_BOOT_LOADER_INO 5 /* Boot loader inode */ ++#define EXT2_UNDEL_DIR_INO 6 /* Undelete directory inode */ ++#define EXT2_RESIZE_INO 7 /* Reserved group descriptors inode */ ++#define EXT2_JOURNAL_INO 8 /* Journal inode */ ++#define EXT2_EXCLUDE_INO 9 /* The "exclude" inode, for snapshots */ ++#define EXT4_REPLICA_INO 10 /* Used by non-upstream feature */ ++ ++/* First non-reserved inode for old ext2 filesystems */ ++#define EXT2_GOOD_OLD_FIRST_INO 11 ++ ++/* ++ * The second extended file system magic number ++ */ ++#define EXT2_SUPER_MAGIC 0xEF53 ++ ++#ifdef __KERNEL__ ++#define EXT2_SB(sb) (&((sb)->u.ext2_sb)) ++#else ++/* Assume that user mode programs are passing in an ext2fs superblock, not ++ * a kernel struct super_block. This will allow us to call the feature-test ++ * macros from user land. */ ++#define EXT2_SB(sb) (sb) ++#endif ++ ++/* ++ * Maximal count of links to a file ++ */ ++#define EXT2_LINK_MAX 65000 ++ ++/* ++ * Macro-instructions used to manage several block sizes ++ */ ++#define EXT2_MIN_BLOCK_LOG_SIZE 10 /* 1024 */ ++#define EXT2_MAX_BLOCK_LOG_SIZE 16 /* 65536 */ ++#define EXT2_MIN_BLOCK_SIZE (1 << EXT2_MIN_BLOCK_LOG_SIZE) ++#define EXT2_MAX_BLOCK_SIZE (1 << EXT2_MAX_BLOCK_LOG_SIZE) ++#ifdef __KERNEL__ ++#define EXT2_BLOCK_SIZE(s) ((s)->s_blocksize) ++#define EXT2_BLOCK_SIZE_BITS(s) ((s)->s_blocksize_bits) ++#define EXT2_ADDR_PER_BLOCK_BITS(s) (EXT2_SB(s)->addr_per_block_bits) ++#define EXT2_INODE_SIZE(s) (EXT2_SB(s)->s_inode_size) ++#define EXT2_FIRST_INO(s) (EXT2_SB(s)->s_first_ino) ++#else ++#define EXT2_BLOCK_SIZE(s) (EXT2_MIN_BLOCK_SIZE << (s)->s_log_block_size) ++#define EXT2_BLOCK_SIZE_BITS(s) ((s)->s_log_block_size + 10) ++#define EXT2_INODE_SIZE(s) (((s)->s_rev_level == EXT2_GOOD_OLD_REV) ? \ ++ EXT2_GOOD_OLD_INODE_SIZE : (s)->s_inode_size) ++#define EXT2_FIRST_INO(s) (((s)->s_rev_level == EXT2_GOOD_OLD_REV) ? \ ++ EXT2_GOOD_OLD_FIRST_INO : (s)->s_first_ino) ++#endif ++#define EXT2_ADDR_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / sizeof(__u32)) ++ ++/* ++ * Macro-instructions used to manage allocation clusters ++ */ ++#define EXT2_MIN_CLUSTER_LOG_SIZE EXT2_MIN_BLOCK_LOG_SIZE ++#define EXT2_MAX_CLUSTER_LOG_SIZE 29 /* 512MB */ ++#define EXT2_MIN_CLUSTER_SIZE EXT2_MIN_BLOCK_SIZE ++#define EXT2_MAX_CLUSTER_SIZE (1 << EXT2_MAX_CLUSTER_LOG_SIZE) ++#define EXT2_CLUSTER_SIZE(s) (EXT2_MIN_BLOCK_SIZE << \ ++ (s)->s_log_cluster_size) ++#define EXT2_CLUSTER_SIZE_BITS(s) ((s)->s_log_cluster_size + 10) ++ ++/* ++ * Macro-instructions used to manage fragments ++ * ++ * Note: for backwards compatibility only, for the dump program. ++ * Ext2/3/4 will never support fragments.... ++ */ ++#define EXT2_MIN_FRAG_SIZE EXT2_MIN_BLOCK_SIZE ++#define EXT2_MAX_FRAG_SIZE EXT2_MAX_BLOCK_SIZE ++#define EXT2_MIN_FRAG_LOG_SIZE EXT2_MIN_BLOCK_LOG_SIZE ++#define EXT2_FRAG_SIZE(s) EXT2_BLOCK_SIZE(s) ++#define EXT2_FRAGS_PER_BLOCK(s) 1 ++ ++/* ++ * ACL structures ++ */ ++struct ext2_acl_header /* Header of Access Control Lists */ ++{ ++ __u32 aclh_size; ++ __u32 aclh_file_count; ++ __u32 aclh_acle_count; ++ __u32 aclh_first_acle; ++}; ++ ++struct ext2_acl_entry /* Access Control List Entry */ ++{ ++ __u32 acle_size; ++ __u16 acle_perms; /* Access permissions */ ++ __u16 acle_type; /* Type of entry */ ++ __u16 acle_tag; /* User or group identity */ ++ __u16 acle_pad1; ++ __u32 acle_next; /* Pointer on next entry for the */ ++ /* same inode or on next free entry */ ++}; ++ ++/* ++ * Structure of a blocks group descriptor ++ */ ++struct ext2_group_desc ++{ ++ __u32 bg_block_bitmap; /* Blocks bitmap block */ ++ __u32 bg_inode_bitmap; /* Inodes bitmap block */ ++ __u32 bg_inode_table; /* Inodes table block */ ++ __u16 bg_free_blocks_count; /* Free blocks count */ ++ __u16 bg_free_inodes_count; /* Free inodes count */ ++ __u16 bg_used_dirs_count; /* Directories count */ ++ __u16 bg_flags; ++ __u32 bg_exclude_bitmap_lo; /* Exclude bitmap for snapshots */ ++ __u16 bg_block_bitmap_csum_lo;/* crc32c(s_uuid+grp_num+bitmap) LSB */ ++ __u16 bg_inode_bitmap_csum_lo;/* crc32c(s_uuid+grp_num+bitmap) LSB */ ++ __u16 bg_itable_unused; /* Unused inodes count */ ++ __u16 bg_checksum; /* crc16(s_uuid+grouo_num+group_desc)*/ ++}; ++ ++/* ++ * Structure of a blocks group descriptor ++ */ ++struct ext4_group_desc ++{ ++ __u32 bg_block_bitmap; /* Blocks bitmap block */ ++ __u32 bg_inode_bitmap; /* Inodes bitmap block */ ++ __u32 bg_inode_table; /* Inodes table block */ ++ __u16 bg_free_blocks_count; /* Free blocks count */ ++ __u16 bg_free_inodes_count; /* Free inodes count */ ++ __u16 bg_used_dirs_count; /* Directories count */ ++ __u16 bg_flags; /* EXT4_BG_flags (INODE_UNINIT, etc) */ ++ __u32 bg_exclude_bitmap_lo; /* Exclude bitmap for snapshots */ ++ __u16 bg_block_bitmap_csum_lo;/* crc32c(s_uuid+grp_num+bitmap) LSB */ ++ __u16 bg_inode_bitmap_csum_lo;/* crc32c(s_uuid+grp_num+bitmap) LSB */ ++ __u16 bg_itable_unused; /* Unused inodes count */ ++ __u16 bg_checksum; /* crc16(sb_uuid+group+desc) */ ++ __u32 bg_block_bitmap_hi; /* Blocks bitmap block MSB */ ++ __u32 bg_inode_bitmap_hi; /* Inodes bitmap block MSB */ ++ __u32 bg_inode_table_hi; /* Inodes table block MSB */ ++ __u16 bg_free_blocks_count_hi;/* Free blocks count MSB */ ++ __u16 bg_free_inodes_count_hi;/* Free inodes count MSB */ ++ __u16 bg_used_dirs_count_hi; /* Directories count MSB */ ++ __u16 bg_itable_unused_hi; /* Unused inodes count MSB */ ++ __u32 bg_exclude_bitmap_hi; /* Exclude bitmap block MSB */ ++ __u16 bg_block_bitmap_csum_hi;/* crc32c(s_uuid+grp_num+bitmap) MSB */ ++ __u16 bg_inode_bitmap_csum_hi;/* crc32c(s_uuid+grp_num+bitmap) MSB */ ++ __u32 bg_reserved; ++}; ++ ++#define EXT2_BG_INODE_UNINIT 0x0001 /* Inode table/bitmap not initialized */ ++#define EXT2_BG_BLOCK_UNINIT 0x0002 /* Block bitmap not initialized */ ++#define EXT2_BG_INODE_ZEROED 0x0004 /* On-disk itable initialized to zero */ ++ ++/* ++ * Data structures used by the directory indexing feature ++ * ++ * Note: all of the multibyte integer fields are little endian. ++ */ ++ ++/* ++ * Note: dx_root_info is laid out so that if it should somehow get ++ * overlaid by a dirent the two low bits of the hash version will be ++ * zero. Therefore, the hash version mod 4 should never be 0. ++ * Sincerely, the paranoia department. ++ */ ++struct ext2_dx_root_info { ++ __u32 reserved_zero; ++ __u8 hash_version; /* 0 now, 1 at release */ ++ __u8 info_length; /* 8 */ ++ __u8 indirect_levels; ++ __u8 unused_flags; ++}; ++ ++#define EXT2_HASH_LEGACY 0 ++#define EXT2_HASH_HALF_MD4 1 ++#define EXT2_HASH_TEA 2 ++#define EXT2_HASH_LEGACY_UNSIGNED 3 /* reserved for userspace lib */ ++#define EXT2_HASH_HALF_MD4_UNSIGNED 4 /* reserved for userspace lib */ ++#define EXT2_HASH_TEA_UNSIGNED 5 /* reserved for userspace lib */ ++ ++#define EXT2_HASH_FLAG_INCOMPAT 0x1 ++ ++struct ext2_dx_entry { ++ __u32 hash; ++ __u32 block; ++}; ++ ++struct ext2_dx_countlimit { ++ __u16 limit; ++ __u16 count; ++}; ++ ++ ++/* ++ * Macro-instructions used to manage group descriptors ++ */ ++#define EXT2_MIN_DESC_SIZE 32 ++#define EXT2_MIN_DESC_SIZE_64BIT 64 ++#define EXT2_MAX_DESC_SIZE EXT2_MIN_BLOCK_SIZE ++#define EXT2_DESC_SIZE(s) \ ++ ((EXT2_SB(s)->s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT) ? \ ++ (s)->s_desc_size : EXT2_MIN_DESC_SIZE) ++ ++#define EXT2_BLOCKS_PER_GROUP(s) (EXT2_SB(s)->s_blocks_per_group) ++#define EXT2_INODES_PER_GROUP(s) (EXT2_SB(s)->s_inodes_per_group) ++#define EXT2_CLUSTERS_PER_GROUP(s) (EXT2_SB(s)->s_clusters_per_group) ++#define EXT2_INODES_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s)/EXT2_INODE_SIZE(s)) ++/* limits imposed by 16-bit value gd_free_{blocks,inode}_count */ ++#define EXT2_MAX_BLOCKS_PER_GROUP(s) ((((unsigned) 1 << 16) - 8) * \ ++ (EXT2_CLUSTER_SIZE(s) / \ ++ EXT2_BLOCK_SIZE(s))) ++#define EXT2_MAX_CLUSTERS_PER_GROUP(s) (((unsigned) 1 << 16) - 8) ++#define EXT2_MAX_INODES_PER_GROUP(s) (((unsigned) 1 << 16) - \ ++ EXT2_INODES_PER_BLOCK(s)) ++#ifdef __KERNEL__ ++#define EXT2_DESC_PER_BLOCK(s) (EXT2_SB(s)->s_desc_per_block) ++#define EXT2_DESC_PER_BLOCK_BITS(s) (EXT2_SB(s)->s_desc_per_block_bits) ++#else ++#define EXT2_DESC_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / EXT2_DESC_SIZE(s)) ++#endif ++ ++/* ++ * Constants relative to the data blocks ++ */ ++#define EXT2_NDIR_BLOCKS 12 ++#define EXT2_IND_BLOCK EXT2_NDIR_BLOCKS ++#define EXT2_DIND_BLOCK (EXT2_IND_BLOCK + 1) ++#define EXT2_TIND_BLOCK (EXT2_DIND_BLOCK + 1) ++#define EXT2_N_BLOCKS (EXT2_TIND_BLOCK + 1) ++ ++/* ++ * Inode flags ++ */ ++#define EXT2_SECRM_FL 0x00000001 /* Secure deletion */ ++#define EXT2_UNRM_FL 0x00000002 /* Undelete */ ++#define EXT2_COMPR_FL 0x00000004 /* Compress file */ ++#define EXT2_SYNC_FL 0x00000008 /* Synchronous updates */ ++#define EXT2_IMMUTABLE_FL 0x00000010 /* Immutable file */ ++#define EXT2_APPEND_FL 0x00000020 /* writes to file may only append */ ++#define EXT2_NODUMP_FL 0x00000040 /* do not dump file */ ++#define EXT2_NOATIME_FL 0x00000080 /* do not update atime */ ++/* Reserved for compression usage... */ ++#define EXT2_DIRTY_FL 0x00000100 ++#define EXT2_COMPRBLK_FL 0x00000200 /* One or more compressed clusters */ ++#define EXT2_NOCOMPR_FL 0x00000400 /* Access raw compressed data */ ++#define EXT2_ECOMPR_FL 0x00000800 /* Compression error */ ++/* End compression flags --- maybe not all used */ ++#define EXT2_BTREE_FL 0x00001000 /* btree format dir */ ++#define EXT2_INDEX_FL 0x00001000 /* hash-indexed directory */ ++#define EXT2_IMAGIC_FL 0x00002000 ++#define EXT3_JOURNAL_DATA_FL 0x00004000 /* file data should be journaled */ ++#define EXT2_NOTAIL_FL 0x00008000 /* file tail should not be merged */ ++#define EXT2_DIRSYNC_FL 0x00010000 /* Synchronous directory modifications */ ++#define EXT2_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/ ++#define EXT4_HUGE_FILE_FL 0x00040000 /* Set to each huge file */ ++#define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */ ++#define EXT4_EA_INODE_FL 0x00200000 /* Inode used for large EA */ ++/* EXT4_EOFBLOCKS_FL 0x00400000 was here */ ++#define EXT4_SNAPFILE_FL 0x01000000 /* Inode is a snapshot */ ++#define EXT4_SNAPFILE_DELETED_FL 0x04000000 /* Snapshot is being deleted */ ++#define EXT4_SNAPFILE_SHRUNK_FL 0x08000000 /* Snapshot shrink has completed */ ++#define EXT2_RESERVED_FL 0x80000000 /* reserved for ext2 lib */ ++ ++#define EXT2_FL_USER_VISIBLE 0x004BDFFF /* User visible flags */ ++#define EXT2_FL_USER_MODIFIABLE 0x004B80FF /* User modifiable flags */ ++ ++/* ++ * ioctl commands ++ */ ++ ++/* Used for online resize */ ++struct ext2_new_group_input { ++ __u32 group; /* Group number for this data */ ++ __u32 block_bitmap; /* Absolute block number of block bitmap */ ++ __u32 inode_bitmap; /* Absolute block number of inode bitmap */ ++ __u32 inode_table; /* Absolute block number of inode table start */ ++ __u32 blocks_count; /* Total number of blocks in this group */ ++ __u16 reserved_blocks; /* Number of reserved blocks in this group */ ++ __u16 unused; /* Number of reserved GDT blocks in group */ ++}; ++ ++struct ext4_new_group_input { ++ __u32 group; /* Group number for this data */ ++ __u64 block_bitmap; /* Absolute block number of block bitmap */ ++ __u64 inode_bitmap; /* Absolute block number of inode bitmap */ ++ __u64 inode_table; /* Absolute block number of inode table start */ ++ __u32 blocks_count; /* Total number of blocks in this group */ ++ __u16 reserved_blocks; /* Number of reserved blocks in this group */ ++ __u16 unused; ++}; ++ ++#ifdef __GNU__ /* Needed for the Hurd */ ++#define _IOT_ext2_new_group_input _IOT (_IOTS(__u32), 5, _IOTS(__u16), 2, 0, 0) ++#endif ++ ++#define EXT2_IOC_GETFLAGS _IOR('f', 1, long) ++#define EXT2_IOC_SETFLAGS _IOW('f', 2, long) ++#define EXT2_IOC_GETVERSION _IOR('v', 1, long) ++#define EXT2_IOC_SETVERSION _IOW('v', 2, long) ++#define EXT2_IOC_GETVERSION_NEW _IOR('f', 3, long) ++#define EXT2_IOC_SETVERSION_NEW _IOW('f', 4, long) ++#define EXT2_IOC_GROUP_EXTEND _IOW('f', 7, unsigned long) ++#define EXT2_IOC_GROUP_ADD _IOW('f', 8,struct ext2_new_group_input) ++#define EXT4_IOC_GROUP_ADD _IOW('f', 8,struct ext4_new_group_input) ++#define EXT4_IOC_RESIZE_FS _IOW('f', 16, __u64) ++ ++/* ++ * Structure of an inode on the disk ++ */ ++struct ext2_inode { ++ __u16 i_mode; /* File mode */ ++ __u16 i_uid; /* Low 16 bits of Owner Uid */ ++ __u32 i_size; /* Size in bytes */ ++ __u32 i_atime; /* Access time */ ++ __u32 i_ctime; /* Inode change time */ ++ __u32 i_mtime; /* Modification time */ ++ __u32 i_dtime; /* Deletion Time */ ++ __u16 i_gid; /* Low 16 bits of Group Id */ ++ __u16 i_links_count; /* Links count */ ++ __u32 i_blocks; /* Blocks count */ ++ __u32 i_flags; /* File flags */ ++ union { ++ struct { ++ __u32 l_i_version; /* was l_i_reserved1 */ ++ } linux1; ++ struct { ++ __u32 h_i_translator; ++ } hurd1; ++ } osd1; /* OS dependent 1 */ ++ __u32 i_block[EXT2_N_BLOCKS];/* Pointers to blocks */ ++ __u32 i_generation; /* File version (for NFS) */ ++ __u32 i_file_acl; /* File ACL */ ++ __u32 i_size_high; /* Formerly i_dir_acl, directory ACL */ ++ __u32 i_faddr; /* Fragment address */ ++ union { ++ struct { ++ __u16 l_i_blocks_hi; ++ __u16 l_i_file_acl_high; ++ __u16 l_i_uid_high; /* these 2 fields */ ++ __u16 l_i_gid_high; /* were reserved2[0] */ ++ __u16 l_i_checksum_lo; /* crc32c(uuid+inum+inode) */ ++ __u16 l_i_reserved; ++ } linux2; ++ struct { ++ __u8 h_i_frag; /* Fragment number */ ++ __u8 h_i_fsize; /* Fragment size */ ++ __u16 h_i_mode_high; ++ __u16 h_i_uid_high; ++ __u16 h_i_gid_high; ++ __u32 h_i_author; ++ } hurd2; ++ } osd2; /* OS dependent 2 */ ++}; ++ ++/* ++ * Permanent part of an large inode on the disk ++ */ ++struct ext2_inode_large { ++ __u16 i_mode; /* File mode */ ++ __u16 i_uid; /* Low 16 bits of Owner Uid */ ++ __u32 i_size; /* Size in bytes */ ++ __u32 i_atime; /* Access time */ ++ __u32 i_ctime; /* Inode Change time */ ++ __u32 i_mtime; /* Modification time */ ++ __u32 i_dtime; /* Deletion Time */ ++ __u16 i_gid; /* Low 16 bits of Group Id */ ++ __u16 i_links_count; /* Links count */ ++ __u32 i_blocks; /* Blocks count */ ++ __u32 i_flags; /* File flags */ ++ union { ++ struct { ++ __u32 l_i_version; /* was l_i_reserved1 */ ++ } linux1; ++ struct { ++ __u32 h_i_translator; ++ } hurd1; ++ } osd1; /* OS dependent 1 */ ++ __u32 i_block[EXT2_N_BLOCKS];/* Pointers to blocks */ ++ __u32 i_generation; /* File version (for NFS) */ ++ __u32 i_file_acl; /* File ACL */ ++ __u32 i_size_high; /* Formerly i_dir_acl, directory ACL */ ++ __u32 i_faddr; /* Fragment address */ ++ union { ++ struct { ++ __u16 l_i_blocks_hi; ++ __u16 l_i_file_acl_high; ++ __u16 l_i_uid_high; /* these 2 fields */ ++ __u16 l_i_gid_high; /* were reserved2[0] */ ++ __u16 l_i_checksum_lo; /* crc32c(uuid+inum+inode) */ ++ __u16 l_i_reserved; ++ } linux2; ++ struct { ++ __u8 h_i_frag; /* Fragment number */ ++ __u8 h_i_fsize; /* Fragment size */ ++ __u16 h_i_mode_high; ++ __u16 h_i_uid_high; ++ __u16 h_i_gid_high; ++ __u32 h_i_author; ++ } hurd2; ++ } osd2; /* OS dependent 2 */ ++ __u16 i_extra_isize; ++ __u16 i_checksum_hi; /* crc32c(uuid+inum+inode) */ ++ __u32 i_ctime_extra; /* extra Change time (nsec << 2 | epoch) */ ++ __u32 i_mtime_extra; /* extra Modification time (nsec << 2 | epoch) */ ++ __u32 i_atime_extra; /* extra Access time (nsec << 2 | epoch) */ ++ __u32 i_crtime; /* File creation time */ ++ __u32 i_crtime_extra; /* extra File creation time (nsec << 2 | epoch)*/ ++ __u32 i_version_hi; /* high 32 bits for 64-bit version */ ++}; ++ ++#define i_dir_acl i_size_high ++ ++#if defined(__KERNEL__) || defined(__linux__) ++#define i_reserved1 osd1.linux1.l_i_reserved1 ++#define i_frag osd2.linux2.l_i_frag ++#define i_fsize osd2.linux2.l_i_fsize ++#define i_uid_low i_uid ++#define i_gid_low i_gid ++#define i_uid_high osd2.linux2.l_i_uid_high ++#define i_gid_high osd2.linux2.l_i_gid_high ++#else ++#if defined(__GNU__) ++ ++#define i_translator osd1.hurd1.h_i_translator ++#define i_frag osd2.hurd2.h_i_frag; ++#define i_fsize osd2.hurd2.h_i_fsize; ++#define i_uid_high osd2.hurd2.h_i_uid_high ++#define i_gid_high osd2.hurd2.h_i_gid_high ++#define i_author osd2.hurd2.h_i_author ++ ++#endif /* __GNU__ */ ++#endif /* defined(__KERNEL__) || defined(__linux__) */ ++ ++#define inode_uid(inode) ((inode).i_uid | (inode).osd2.linux2.l_i_uid_high << 16) ++#define inode_gid(inode) ((inode).i_gid | (inode).osd2.linux2.l_i_gid_high << 16) ++#define ext2fs_set_i_uid_high(inode,x) ((inode).osd2.linux2.l_i_uid_high = (x)) ++#define ext2fs_set_i_gid_high(inode,x) ((inode).osd2.linux2.l_i_gid_high = (x)) ++ ++/* ++ * File system states ++ */ ++#define EXT2_VALID_FS 0x0001 /* Unmounted cleanly */ ++#define EXT2_ERROR_FS 0x0002 /* Errors detected */ ++#define EXT3_ORPHAN_FS 0x0004 /* Orphans being recovered */ ++ ++/* ++ * Misc. filesystem flags ++ */ ++#define EXT2_FLAGS_SIGNED_HASH 0x0001 /* Signed dirhash in use */ ++#define EXT2_FLAGS_UNSIGNED_HASH 0x0002 /* Unsigned dirhash in use */ ++#define EXT2_FLAGS_TEST_FILESYS 0x0004 /* OK for use on development code */ ++#define EXT2_FLAGS_IS_SNAPSHOT 0x0010 /* This is a snapshot image */ ++#define EXT2_FLAGS_FIX_SNAPSHOT 0x0020 /* Snapshot inodes corrupted */ ++#define EXT2_FLAGS_FIX_EXCLUDE 0x0040 /* Exclude bitmaps corrupted */ ++ ++/* ++ * Mount flags ++ */ ++#define EXT2_MOUNT_CHECK 0x0001 /* Do mount-time checks */ ++#define EXT2_MOUNT_GRPID 0x0004 /* Create files with directory's group */ ++#define EXT2_MOUNT_DEBUG 0x0008 /* Some debugging messages */ ++#define EXT2_MOUNT_ERRORS_CONT 0x0010 /* Continue on errors */ ++#define EXT2_MOUNT_ERRORS_RO 0x0020 /* Remount fs ro on errors */ ++#define EXT2_MOUNT_ERRORS_PANIC 0x0040 /* Panic on errors */ ++#define EXT2_MOUNT_MINIX_DF 0x0080 /* Mimics the Minix statfs */ ++#define EXT2_MOUNT_NO_UID32 0x0200 /* Disable 32-bit UIDs */ ++ ++#define clear_opt(o, opt) o &= ~EXT2_MOUNT_##opt ++#define set_opt(o, opt) o |= EXT2_MOUNT_##opt ++#define test_opt(sb, opt) (EXT2_SB(sb)->s_mount_opt & \ ++ EXT2_MOUNT_##opt) ++/* ++ * Maximal mount counts between two filesystem checks ++ */ ++#define EXT2_DFL_MAX_MNT_COUNT 20 /* Allow 20 mounts */ ++#define EXT2_DFL_CHECKINTERVAL 0 /* Don't use interval check */ ++ ++/* ++ * Behaviour when detecting errors ++ */ ++#define EXT2_ERRORS_CONTINUE 1 /* Continue execution */ ++#define EXT2_ERRORS_RO 2 /* Remount fs read-only */ ++#define EXT2_ERRORS_PANIC 3 /* Panic */ ++#define EXT2_ERRORS_DEFAULT EXT2_ERRORS_CONTINUE ++ ++#if (__GNUC__ >= 4) ++#define ext4_offsetof(TYPE,MEMBER) __builtin_offsetof(TYPE,MEMBER) ++#else ++#define ext4_offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) ++#endif ++ ++/* ++ * Structure of the super block ++ */ ++struct ext2_super_block { ++ __u32 s_inodes_count; /* Inodes count */ ++ __u32 s_blocks_count; /* Blocks count */ ++ __u32 s_r_blocks_count; /* Reserved blocks count */ ++ __u32 s_free_blocks_count; /* Free blocks count */ ++ __u32 s_free_inodes_count; /* Free inodes count */ ++ __u32 s_first_data_block; /* First Data Block */ ++ __u32 s_log_block_size; /* Block size */ ++ __u32 s_log_cluster_size; /* Allocation cluster size */ ++ __u32 s_blocks_per_group; /* # Blocks per group */ ++ __u32 s_clusters_per_group; /* # Fragments per group */ ++ __u32 s_inodes_per_group; /* # Inodes per group */ ++ __u32 s_mtime; /* Mount time */ ++ __u32 s_wtime; /* Write time */ ++ __u16 s_mnt_count; /* Mount count */ ++ __s16 s_max_mnt_count; /* Maximal mount count */ ++ __u16 s_magic; /* Magic signature */ ++ __u16 s_state; /* File system state */ ++ __u16 s_errors; /* Behaviour when detecting errors */ ++ __u16 s_minor_rev_level; /* minor revision level */ ++ __u32 s_lastcheck; /* time of last check */ ++ __u32 s_checkinterval; /* max. time between checks */ ++ __u32 s_creator_os; /* OS */ ++ __u32 s_rev_level; /* Revision level */ ++ __u16 s_def_resuid; /* Default uid for reserved blocks */ ++ __u16 s_def_resgid; /* Default gid for reserved blocks */ ++ /* ++ * These fields are for EXT2_DYNAMIC_REV superblocks only. ++ * ++ * Note: the difference between the compatible feature set and ++ * the incompatible feature set is that if there is a bit set ++ * in the incompatible feature set that the kernel doesn't ++ * know about, it should refuse to mount the filesystem. ++ * ++ * e2fsck's requirements are more strict; if it doesn't know ++ * about a feature in either the compatible or incompatible ++ * feature set, it must abort and not try to meddle with ++ * things it doesn't understand... ++ */ ++ __u32 s_first_ino; /* First non-reserved inode */ ++ __u16 s_inode_size; /* size of inode structure */ ++ __u16 s_block_group_nr; /* block group # of this superblock */ ++ __u32 s_feature_compat; /* compatible feature set */ ++ __u32 s_feature_incompat; /* incompatible feature set */ ++ __u32 s_feature_ro_compat; /* readonly-compatible feature set */ ++ __u8 s_uuid[16]; /* 128-bit uuid for volume */ ++ char s_volume_name[16]; /* volume name */ ++ char s_last_mounted[64]; /* directory where last mounted */ ++ __u32 s_algorithm_usage_bitmap; /* For compression */ ++ /* ++ * Performance hints. Directory preallocation should only ++ * happen if the EXT2_FEATURE_COMPAT_DIR_PREALLOC flag is on. ++ */ ++ __u8 s_prealloc_blocks; /* Nr of blocks to try to preallocate*/ ++ __u8 s_prealloc_dir_blocks; /* Nr to preallocate for dirs */ ++ __u16 s_reserved_gdt_blocks; /* Per group table for online growth */ ++ /* ++ * Journaling support valid if EXT2_FEATURE_COMPAT_HAS_JOURNAL set. ++ */ ++ __u8 s_journal_uuid[16]; /* uuid of journal superblock */ ++ __u32 s_journal_inum; /* inode number of journal file */ ++ __u32 s_journal_dev; /* device number of journal file */ ++ __u32 s_last_orphan; /* start of list of inodes to delete */ ++ __u32 s_hash_seed[4]; /* HTREE hash seed */ ++ __u8 s_def_hash_version; /* Default hash version to use */ ++ __u8 s_jnl_backup_type; /* Default type of journal backup */ ++ __u16 s_desc_size; /* Group desc. size: INCOMPAT_64BIT */ ++ __u32 s_default_mount_opts; ++ __u32 s_first_meta_bg; /* First metablock group */ ++ __u32 s_mkfs_time; /* When the filesystem was created */ ++ __u32 s_jnl_blocks[17]; /* Backup of the journal inode */ ++ __u32 s_blocks_count_hi; /* Blocks count high 32bits */ ++ __u32 s_r_blocks_count_hi; /* Reserved blocks count high 32 bits*/ ++ __u32 s_free_blocks_hi; /* Free blocks count */ ++ __u16 s_min_extra_isize; /* All inodes have at least # bytes */ ++ __u16 s_want_extra_isize; /* New inodes should reserve # bytes */ ++ __u32 s_flags; /* Miscellaneous flags */ ++ __u16 s_raid_stride; /* RAID stride */ ++ __u16 s_mmp_update_interval; /* # seconds to wait in MMP checking */ ++ __u64 s_mmp_block; /* Block for multi-mount protection */ ++ __u32 s_raid_stripe_width; /* blocks on all data disks (N*stride)*/ ++ __u8 s_log_groups_per_flex; /* FLEX_BG group size */ ++ __u8 s_reserved_char_pad; ++ __u16 s_reserved_pad; /* Padding to next 32bits */ ++ __u64 s_kbytes_written; /* nr of lifetime kilobytes written */ ++ __u32 s_snapshot_inum; /* Inode number of active snapshot */ ++ __u32 s_snapshot_id; /* sequential ID of active snapshot */ ++ __u64 s_snapshot_r_blocks_count; /* reserved blocks for active ++ snapshot's future use */ ++ __u32 s_snapshot_list; /* inode number of the head of the on-disk snapshot list */ ++#define EXT4_S_ERR_START ext4_offsetof(struct ext2_super_block, s_error_count) ++ __u32 s_error_count; /* number of fs errors */ ++ __u32 s_first_error_time; /* first time an error happened */ ++ __u32 s_first_error_ino; /* inode involved in first error */ ++ __u64 s_first_error_block; /* block involved of first error */ ++ __u8 s_first_error_func[32]; /* function where the error happened */ ++ __u32 s_first_error_line; /* line number where error happened */ ++ __u32 s_last_error_time; /* most recent time of an error */ ++ __u32 s_last_error_ino; /* inode involved in last error */ ++ __u32 s_last_error_line; /* line number where error happened */ ++ __u64 s_last_error_block; /* block involved of last error */ ++ __u8 s_last_error_func[32]; /* function where the error happened */ ++#define EXT4_S_ERR_END ext4_offsetof(struct ext2_super_block, s_mount_opts) ++ __u8 s_mount_opts[64]; ++ __u32 s_usr_quota_inum; /* inode number of user quota file */ ++ __u32 s_grp_quota_inum; /* inode number of group quota file */ ++ __u32 s_overhead_blocks; /* overhead blocks/clusters in fs */ ++ __u32 s_reserved[108]; /* Padding to the end of the block */ ++ __u32 s_checksum; /* crc32c(superblock) */ ++}; ++ ++#define EXT4_S_ERR_LEN (EXT4_S_ERR_END - EXT4_S_ERR_START) ++ ++/* ++ * Codes for operating systems ++ */ ++#define EXT2_OS_LINUX 0 ++#define EXT2_OS_HURD 1 ++#define EXT2_OBSO_OS_MASIX 2 ++#define EXT2_OS_FREEBSD 3 ++#define EXT2_OS_LITES 4 ++ ++/* ++ * Revision levels ++ */ ++#define EXT2_GOOD_OLD_REV 0 /* The good old (original) format */ ++#define EXT2_DYNAMIC_REV 1 /* V2 format w/ dynamic inode sizes */ ++ ++#define EXT2_CURRENT_REV EXT2_GOOD_OLD_REV ++#define EXT2_MAX_SUPP_REV EXT2_DYNAMIC_REV ++ ++#define EXT2_GOOD_OLD_INODE_SIZE 128 ++ ++/* ++ * Journal inode backup types ++ */ ++#define EXT3_JNL_BACKUP_BLOCKS 1 ++ ++/* ++ * Feature set definitions ++ */ ++ ++#define EXT2_HAS_COMPAT_FEATURE(sb,mask) \ ++ ( EXT2_SB(sb)->s_feature_compat & (mask) ) ++#define EXT2_HAS_RO_COMPAT_FEATURE(sb,mask) \ ++ ( EXT2_SB(sb)->s_feature_ro_compat & (mask) ) ++#define EXT2_HAS_INCOMPAT_FEATURE(sb,mask) \ ++ ( EXT2_SB(sb)->s_feature_incompat & (mask) ) ++ ++#define EXT2_FEATURE_COMPAT_DIR_PREALLOC 0x0001 ++#define EXT2_FEATURE_COMPAT_IMAGIC_INODES 0x0002 ++#define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x0004 ++#define EXT2_FEATURE_COMPAT_EXT_ATTR 0x0008 ++#define EXT2_FEATURE_COMPAT_RESIZE_INODE 0x0010 ++#define EXT2_FEATURE_COMPAT_DIR_INDEX 0x0020 ++#define EXT2_FEATURE_COMPAT_LAZY_BG 0x0040 ++/* #define EXT2_FEATURE_COMPAT_EXCLUDE_INODE 0x0080 not used, legacy */ ++#define EXT2_FEATURE_COMPAT_EXCLUDE_BITMAP 0x0100 ++ ++ ++#define EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001 ++#define EXT2_FEATURE_RO_COMPAT_LARGE_FILE 0x0002 ++/* #define EXT2_FEATURE_RO_COMPAT_BTREE_DIR 0x0004 not used */ ++#define EXT4_FEATURE_RO_COMPAT_HUGE_FILE 0x0008 ++#define EXT4_FEATURE_RO_COMPAT_GDT_CSUM 0x0010 ++#define EXT4_FEATURE_RO_COMPAT_DIR_NLINK 0x0020 ++#define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE 0x0040 ++#define EXT4_FEATURE_RO_COMPAT_HAS_SNAPSHOT 0x0080 ++#define EXT4_FEATURE_RO_COMPAT_QUOTA 0x0100 ++#define EXT4_FEATURE_RO_COMPAT_BIGALLOC 0x0200 ++#define EXT4_FEATURE_RO_COMPAT_METADATA_CSUM 0x0400 ++#define EXT4_FEATURE_RO_COMPAT_REPLICA 0x0800 ++ ++#define EXT2_FEATURE_INCOMPAT_COMPRESSION 0x0001 ++#define EXT2_FEATURE_INCOMPAT_FILETYPE 0x0002 ++#define EXT3_FEATURE_INCOMPAT_RECOVER 0x0004 /* Needs recovery */ ++#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x0008 /* Journal device */ ++#define EXT2_FEATURE_INCOMPAT_META_BG 0x0010 ++#define EXT3_FEATURE_INCOMPAT_EXTENTS 0x0040 ++#define EXT4_FEATURE_INCOMPAT_64BIT 0x0080 ++#define EXT4_FEATURE_INCOMPAT_MMP 0x0100 ++#define EXT4_FEATURE_INCOMPAT_FLEX_BG 0x0200 ++#define EXT4_FEATURE_INCOMPAT_EA_INODE 0x0400 ++#define EXT4_FEATURE_INCOMPAT_DIRDATA 0x1000 ++ ++#define EXT2_FEATURE_COMPAT_SUPP 0 ++#define EXT2_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE| \ ++ EXT4_FEATURE_INCOMPAT_MMP) ++#define EXT2_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \ ++ EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \ ++ EXT4_FEATURE_RO_COMPAT_DIR_NLINK| \ ++ EXT2_FEATURE_RO_COMPAT_BTREE_DIR) ++ ++/* ++ * Default values for user and/or group using reserved blocks ++ */ ++#define EXT2_DEF_RESUID 0 ++#define EXT2_DEF_RESGID 0 ++ ++/* ++ * Default mount options ++ */ ++#define EXT2_DEFM_DEBUG 0x0001 ++#define EXT2_DEFM_BSDGROUPS 0x0002 ++#define EXT2_DEFM_XATTR_USER 0x0004 ++#define EXT2_DEFM_ACL 0x0008 ++#define EXT2_DEFM_UID16 0x0010 ++#define EXT3_DEFM_JMODE 0x0060 ++#define EXT3_DEFM_JMODE_DATA 0x0020 ++#define EXT3_DEFM_JMODE_ORDERED 0x0040 ++#define EXT3_DEFM_JMODE_WBACK 0x0060 ++#define EXT4_DEFM_NOBARRIER 0x0100 ++#define EXT4_DEFM_BLOCK_VALIDITY 0x0200 ++#define EXT4_DEFM_DISCARD 0x0400 ++#define EXT4_DEFM_NODELALLOC 0x0800 ++ ++/* ++ * Structure of a directory entry ++ */ ++#define EXT2_NAME_LEN 255 ++ ++struct ext2_dir_entry { ++ __u32 inode; /* Inode number */ ++ __u16 rec_len; /* Directory entry length */ ++ __u16 name_len; /* Name length */ ++ char name[EXT2_NAME_LEN]; /* File name */ ++}; ++ ++/* ++ * The new version of the directory entry. Since EXT2 structures are ++ * stored in intel byte order, and the name_len field could never be ++ * bigger than 255 chars, it's safe to reclaim the extra byte for the ++ * file_type field. ++ */ ++struct ext2_dir_entry_2 { ++ __u32 inode; /* Inode number */ ++ __u16 rec_len; /* Directory entry length */ ++ __u8 name_len; /* Name length */ ++ __u8 file_type; ++ char name[EXT2_NAME_LEN]; /* File name */ ++}; ++ ++/* ++ * Ext2 directory file types. Only the low 3 bits are used. The ++ * other bits are reserved for now. ++ */ ++#define EXT2_FT_UNKNOWN 0 ++#define EXT2_FT_REG_FILE 1 ++#define EXT2_FT_DIR 2 ++#define EXT2_FT_CHRDEV 3 ++#define EXT2_FT_BLKDEV 4 ++#define EXT2_FT_FIFO 5 ++#define EXT2_FT_SOCK 6 ++#define EXT2_FT_SYMLINK 7 ++ ++#define EXT2_FT_MAX 8 ++ ++/* ++ * EXT2_DIR_PAD defines the directory entries boundaries ++ * ++ * NOTE: It must be a multiple of 4 ++ */ ++#define EXT2_DIR_PAD 4 ++#define EXT2_DIR_ROUND (EXT2_DIR_PAD - 1) ++#define EXT2_DIR_REC_LEN(name_len) (((name_len) + 8 + EXT2_DIR_ROUND) & \ ++ ~EXT2_DIR_ROUND) ++ ++/* ++ * This structure is used for multiple mount protection. It is written ++ * into the block number saved in the s_mmp_block field in the superblock. ++ * Programs that check MMP should assume that if SEQ_FSCK (or any unknown ++ * code above SEQ_MAX) is present then it is NOT safe to use the filesystem, ++ * regardless of how old the timestamp is. ++ * ++ * The timestamp in the MMP structure will be updated by e2fsck at some ++ * arbitary intervals (start of passes, after every few groups of inodes ++ * in pass1 and pass1b). There is no guarantee that e2fsck is updating ++ * the MMP block in a timely manner, and the updates it does are purely ++ * for the convenience of the sysadmin and not for automatic validation. ++ * ++ * Note: Only the mmp_seq value is used to determine whether the MMP block ++ * is being updated. The mmp_time, mmp_nodename, and mmp_bdevname ++ * fields are only for informational purposes for the administrator, ++ * due to clock skew between nodes and hostname HA service takeover. ++ */ ++#define EXT4_MMP_MAGIC 0x004D4D50U /* ASCII for MMP */ ++#define EXT4_MMP_SEQ_CLEAN 0xFF4D4D50U /* mmp_seq value for clean unmount */ ++#define EXT4_MMP_SEQ_FSCK 0xE24D4D50U /* mmp_seq value when being fscked */ ++#define EXT4_MMP_SEQ_MAX 0xE24D4D4FU /* maximum valid mmp_seq value */ ++ ++struct mmp_struct { ++ __u32 mmp_magic; /* Magic number for MMP */ ++ __u32 mmp_seq; /* Sequence no. updated periodically */ ++ __u64 mmp_time; /* Time last updated */ ++ char mmp_nodename[64]; /* Node which last updated MMP block */ ++ char mmp_bdevname[32]; /* Bdev which last updated MMP block */ ++ __u16 mmp_check_interval; /* Changed mmp_check_interval */ ++ __u16 mmp_pad1; ++ __u32 mmp_pad2[227]; ++}; ++ ++/* ++ * Default interval for MMP update in seconds. ++ */ ++#define EXT4_MMP_UPDATE_INTERVAL 5 ++ ++/* ++ * Maximum interval for MMP update in seconds. ++ */ ++#define EXT4_MMP_MAX_UPDATE_INTERVAL 300 ++ ++/* ++ * Minimum interval for MMP checking in seconds. ++ */ ++#define EXT4_MMP_MIN_CHECK_INTERVAL 5 ++ ++#endif /* _EXT2FS_EXT2_FS_H */ +Index: syslinux-4.03/libinstaller/linuxioctl.h +=================================================================== +--- syslinux-4.03.orig/libinstaller/linuxioctl.h ++++ syslinux-4.03/libinstaller/linuxioctl.h +@@ -9,17 +9,33 @@ + + #include <sys/ioctl.h> + ++#ifdef __linux__ ++ + #define statfs _kernel_statfs /* HACK to deal with broken 2.4 distros */ + + #include <linux/fd.h> /* Floppy geometry */ + #include <linux/hdreg.h> /* Hard disk geometry */ + +-#include <linux/fs.h> /* FIGETBSZ, FIBMAP, FS_IOC_FIEMAP */ ++#include <linux/fs.h> /* FIGETBSZ, FIBMAP, FS_IOC_* */ + #include <linux/msdos_fs.h> /* FAT_IOCTL_SET_ATTRIBUTES */ + + #undef SECTOR_SIZE /* Defined in msdos_fs.h for no good reason */ + #undef SECTOR_BITS +-#include <linux/ext2_fs.h> /* EXT2_IOC_* */ ++ ++#ifndef FS_IOC_GETFLAGS ++/* Old kernel headers, these were once ext2-specific... */ ++# include <linux/ext2_fs.h> /* EXT2_IOC_* */ ++ ++# define FS_IOC_GETFLAGS EXT2_IOC_GETFLAGS ++# define FS_IOC_SETFLAGS EXT2_IOC_SETFLAGS ++ ++# define FS_IMMUTABLE_FL EXT2_IMMUTABLE_FL ++ ++#else ++ ++# include <ext2fs/ext2_fs.h> ++ ++#endif + + #ifndef FAT_IOCTL_GET_ATTRIBUTES + # define FAT_IOCTL_GET_ATTRIBUTES _IOR('r', 0x10, __u32) +@@ -37,11 +53,13 @@ + + #undef statfs + +-#if defined(__linux__) && !defined(BLKGETSIZE64) ++#ifndef BLKGETSIZE64 + /* This takes a u64, but the size field says size_t. Someone screwed big. */ + # define BLKGETSIZE64 _IOR(0x12,114,size_t) + #endif + + #include <linux/loop.h> + ++#endif /* __linux__ */ ++ + #endif /* LIBINSTALLER_LINUXIOCTL_H */ +Index: syslinux-4.03/libinstaller/syslxcom.c +=================================================================== +--- syslinux-4.03.orig/libinstaller/syslxcom.c ++++ syslinux-4.03/libinstaller/syslxcom.c +@@ -121,9 +121,9 @@ void clear_attributes(int fd) + { + int flags; + +- if (!ioctl(fd, EXT2_IOC_GETFLAGS, &flags)) { +- flags &= ~EXT2_IMMUTABLE_FL; +- ioctl(fd, EXT2_IOC_SETFLAGS, &flags); ++ if (!ioctl(fd, FS_IOC_GETFLAGS, &flags)) { ++ flags &= ~FS_IMMUTABLE_FL; ++ ioctl(fd, FS_IOC_SETFLAGS, &flags); + } + break; + } +@@ -151,9 +151,9 @@ void set_attributes(int fd) + { + int flags; + +- if (st.st_uid == 0 && !ioctl(fd, EXT2_IOC_GETFLAGS, &flags)) { +- flags |= EXT2_IMMUTABLE_FL; +- ioctl(fd, EXT2_IOC_SETFLAGS, &flags); ++ if (st.st_uid == 0 && !ioctl(fd, FS_IOC_GETFLAGS, &flags)) { ++ flags |= FS_IMMUTABLE_FL; ++ ioctl(fd, FS_IOC_SETFLAGS, &flags); + } + break; + } diff --git a/meta/recipes-devtools/syslinux/syslinux_4.03.bb b/meta/recipes-devtools/syslinux/syslinux_4.03.bb index e76fe1f..a3eb566 100644 --- a/meta/recipes-devtools/syslinux/syslinux_4.03.bb +++ b/meta/recipes-devtools/syslinux/syslinux_4.03.bb @@ -7,10 +7,11 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=0636e73ff0215e8d672dc4c32c317bb3 \ # If you really want to run syslinux, you need mtools. We just want the # ldlinux.* stuff for now, so skip mtools-native DEPENDS = "nasm-native" -PR = "r2" +PR = "r3" SRC_URI = "${KERNELORG_MIRROR}/linux/utils/boot/syslinux/syslinux-${PV}.tar.bz2 \ - file://cross-build.patch" + file://cross-build.patch \ + file://libinstaller-Avoid-using-linux-ext2_fs.h.patch" SRC_URI[md5sum] = "a7ca38a0a5786b6efae8fb01a1ae8070" SRC_URI[sha256sum] = "c65567e324f9d1f7f794ae8f9578a0292bbd47d7b8d895a004d2f0152d0bda38" -- 1.7.7.6 ^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH 1/1] syslinux: Avoid using linux.ext2_fs.h if possible 2012-05-30 15:31 ` [PATCH 1/1] syslinux: Avoid using linux.ext2_fs.h if possible Ross Burton @ 2012-05-30 15:45 ` Darren Hart 0 siblings, 0 replies; 4+ messages in thread From: Darren Hart @ 2012-05-30 15:45 UTC (permalink / raw) To: Ross Burton; +Cc: yocto On 05/30/2012 08:31 AM, Ross Burton wrote: > From: Darren Hart <dvhart@linux.intel.com> > > Fixes [YOCTO 2236] > > With recent Linux kernel headers, such as 3.3 in Fedora 16, the linux/ext2_fs.h > header has been removed. This causes compile failures for syslinux-native. > Backport a fix to address this from syslinux-4.06-pre3. > > Signed-off-by: Darren Hart <dvhart@linux.intel.com> > CC: Ross Burton <ross.burton@intel.com> > CC: Joshua Lock <josh@linux.intel.com> > Signed-off-by: Darren Hart <dvhart@linux.intel.com> Looks like I did a "commit --signoff" one too many times on that patch! For a point release patch, I failed to mention this earlier, it is good practice to mention what you have built and what you have tested with the proposed changes. (OK, this is generally a good idea, but especially for point releases which are held to a higher bar of stability.) -- Darren > --- > .../libinstaller-Avoid-using-linux-ext2_fs.h.patch | 975 ++++++++++++++++++++ > meta/recipes-devtools/syslinux/syslinux_4.03.bb | 5 +- > 2 files changed, 978 insertions(+), 2 deletions(-) > create mode 100644 meta/recipes-devtools/syslinux/files/libinstaller-Avoid-using-linux-ext2_fs.h.patch > > diff --git a/meta/recipes-devtools/syslinux/files/libinstaller-Avoid-using-linux-ext2_fs.h.patch b/meta/recipes-devtools/syslinux/files/libinstaller-Avoid-using-linux-ext2_fs.h.patch > new file mode 100644 > index 0000000..77d7a5d > --- /dev/null > +++ b/meta/recipes-devtools/syslinux/files/libinstaller-Avoid-using-linux-ext2_fs.h.patch > @@ -0,0 +1,975 @@ > +From a1006762fa6f98750bb77d76dd992cb8ea9f9c99 Mon Sep 17 00:00:00 2001 > +Message-Id: <a1006762fa6f98750bb77d76dd992cb8ea9f9c99.1333550572.git.dvhart@linux.intel.com> > +From: "H. Peter Anvin" <hpa@zytor.com> > +Date: Mon, 26 Mar 2012 22:51:09 -0700 > +Subject: [PATCH] libinstaller: Avoid using <linux/ext2_fs.h> > + > +Don't use <linux/ext2_fs.h> if we can avoid it. > + > +Upstream-Status: Available in syslinux-4.06-pre3 > + > +The ioctl constants have been globalized and moved to <linux/fs.h>. > +Use a private copy of ext2_fs.h from e2fsprogs with the ioctl > +constants removed for the data structures. > + > +Do at least attempt backward compatibility for old kernel headers, but > +no real hope of proper operation there... > + > +Signed-off-by: H. Peter Anvin <hpa@zytor.com> > + > +Massaged into 4.03. > + > +Integrated-by: Darren Hart <dvhart@linux.inte.com> > +--- > + libinstaller/ext2fs/ext2_fs.h | 856 +++++++++++++++++++++++++++++++++++++++++ > + libinstaller/linuxioctl.h | 29 ++- > + libinstaller/syslxcom.c | 12 +- > + 3 files changed, 886 insertions(+), 11 deletions(-) > + create mode 100644 libinstaller/ext2fs/ext2_fs.h > + > +Index: syslinux-4.03/libinstaller/ext2fs/ext2_fs.h > +=================================================================== > +--- /dev/null > ++++ syslinux-4.03/libinstaller/ext2fs/ext2_fs.h > +@@ -0,0 +1,856 @@ > ++/* > ++ * linux/include/linux/ext2_fs.h > ++ * > ++ * Copyright (C) 1992, 1993, 1994, 1995 > ++ * Remy Card (card@masi.ibp.fr) > ++ * Laboratoire MASI - Institut Blaise Pascal > ++ * Universite Pierre et Marie Curie (Paris VI) > ++ * > ++ * from > ++ * > ++ * linux/include/linux/minix_fs.h > ++ * > ++ * Copyright (C) 1991, 1992 Linus Torvalds > ++ */ > ++ > ++#ifndef _EXT2FS_EXT2_FS_H > ++#define _EXT2FS_EXT2_FS_H > ++ > ++#include <linux/types.h> > ++ > ++/* > ++ * The second extended filesystem constants/structures > ++ */ > ++ > ++/* > ++ * Define EXT2FS_DEBUG to produce debug messages > ++ */ > ++#undef EXT2FS_DEBUG > ++ > ++/* > ++ * Define EXT2_PREALLOCATE to preallocate data blocks for expanding files > ++ */ > ++#define EXT2_PREALLOCATE > ++#define EXT2_DEFAULT_PREALLOC_BLOCKS 8 > ++ > ++/* > ++ * The second extended file system version > ++ */ > ++#define EXT2FS_DATE "95/08/09" > ++#define EXT2FS_VERSION "0.5b" > ++ > ++/* > ++ * Special inode numbers > ++ */ > ++#define EXT2_BAD_INO 1 /* Bad blocks inode */ > ++#define EXT2_ROOT_INO 2 /* Root inode */ > ++#define EXT4_USR_QUOTA_INO 3 /* User quota inode */ > ++#define EXT4_GRP_QUOTA_INO 4 /* Group quota inode */ > ++#define EXT2_BOOT_LOADER_INO 5 /* Boot loader inode */ > ++#define EXT2_UNDEL_DIR_INO 6 /* Undelete directory inode */ > ++#define EXT2_RESIZE_INO 7 /* Reserved group descriptors inode */ > ++#define EXT2_JOURNAL_INO 8 /* Journal inode */ > ++#define EXT2_EXCLUDE_INO 9 /* The "exclude" inode, for snapshots */ > ++#define EXT4_REPLICA_INO 10 /* Used by non-upstream feature */ > ++ > ++/* First non-reserved inode for old ext2 filesystems */ > ++#define EXT2_GOOD_OLD_FIRST_INO 11 > ++ > ++/* > ++ * The second extended file system magic number > ++ */ > ++#define EXT2_SUPER_MAGIC 0xEF53 > ++ > ++#ifdef __KERNEL__ > ++#define EXT2_SB(sb) (&((sb)->u.ext2_sb)) > ++#else > ++/* Assume that user mode programs are passing in an ext2fs superblock, not > ++ * a kernel struct super_block. This will allow us to call the feature-test > ++ * macros from user land. */ > ++#define EXT2_SB(sb) (sb) > ++#endif > ++ > ++/* > ++ * Maximal count of links to a file > ++ */ > ++#define EXT2_LINK_MAX 65000 > ++ > ++/* > ++ * Macro-instructions used to manage several block sizes > ++ */ > ++#define EXT2_MIN_BLOCK_LOG_SIZE 10 /* 1024 */ > ++#define EXT2_MAX_BLOCK_LOG_SIZE 16 /* 65536 */ > ++#define EXT2_MIN_BLOCK_SIZE (1 << EXT2_MIN_BLOCK_LOG_SIZE) > ++#define EXT2_MAX_BLOCK_SIZE (1 << EXT2_MAX_BLOCK_LOG_SIZE) > ++#ifdef __KERNEL__ > ++#define EXT2_BLOCK_SIZE(s) ((s)->s_blocksize) > ++#define EXT2_BLOCK_SIZE_BITS(s) ((s)->s_blocksize_bits) > ++#define EXT2_ADDR_PER_BLOCK_BITS(s) (EXT2_SB(s)->addr_per_block_bits) > ++#define EXT2_INODE_SIZE(s) (EXT2_SB(s)->s_inode_size) > ++#define EXT2_FIRST_INO(s) (EXT2_SB(s)->s_first_ino) > ++#else > ++#define EXT2_BLOCK_SIZE(s) (EXT2_MIN_BLOCK_SIZE << (s)->s_log_block_size) > ++#define EXT2_BLOCK_SIZE_BITS(s) ((s)->s_log_block_size + 10) > ++#define EXT2_INODE_SIZE(s) (((s)->s_rev_level == EXT2_GOOD_OLD_REV) ? \ > ++ EXT2_GOOD_OLD_INODE_SIZE : (s)->s_inode_size) > ++#define EXT2_FIRST_INO(s) (((s)->s_rev_level == EXT2_GOOD_OLD_REV) ? \ > ++ EXT2_GOOD_OLD_FIRST_INO : (s)->s_first_ino) > ++#endif > ++#define EXT2_ADDR_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / sizeof(__u32)) > ++ > ++/* > ++ * Macro-instructions used to manage allocation clusters > ++ */ > ++#define EXT2_MIN_CLUSTER_LOG_SIZE EXT2_MIN_BLOCK_LOG_SIZE > ++#define EXT2_MAX_CLUSTER_LOG_SIZE 29 /* 512MB */ > ++#define EXT2_MIN_CLUSTER_SIZE EXT2_MIN_BLOCK_SIZE > ++#define EXT2_MAX_CLUSTER_SIZE (1 << EXT2_MAX_CLUSTER_LOG_SIZE) > ++#define EXT2_CLUSTER_SIZE(s) (EXT2_MIN_BLOCK_SIZE << \ > ++ (s)->s_log_cluster_size) > ++#define EXT2_CLUSTER_SIZE_BITS(s) ((s)->s_log_cluster_size + 10) > ++ > ++/* > ++ * Macro-instructions used to manage fragments > ++ * > ++ * Note: for backwards compatibility only, for the dump program. > ++ * Ext2/3/4 will never support fragments.... > ++ */ > ++#define EXT2_MIN_FRAG_SIZE EXT2_MIN_BLOCK_SIZE > ++#define EXT2_MAX_FRAG_SIZE EXT2_MAX_BLOCK_SIZE > ++#define EXT2_MIN_FRAG_LOG_SIZE EXT2_MIN_BLOCK_LOG_SIZE > ++#define EXT2_FRAG_SIZE(s) EXT2_BLOCK_SIZE(s) > ++#define EXT2_FRAGS_PER_BLOCK(s) 1 > ++ > ++/* > ++ * ACL structures > ++ */ > ++struct ext2_acl_header /* Header of Access Control Lists */ > ++{ > ++ __u32 aclh_size; > ++ __u32 aclh_file_count; > ++ __u32 aclh_acle_count; > ++ __u32 aclh_first_acle; > ++}; > ++ > ++struct ext2_acl_entry /* Access Control List Entry */ > ++{ > ++ __u32 acle_size; > ++ __u16 acle_perms; /* Access permissions */ > ++ __u16 acle_type; /* Type of entry */ > ++ __u16 acle_tag; /* User or group identity */ > ++ __u16 acle_pad1; > ++ __u32 acle_next; /* Pointer on next entry for the */ > ++ /* same inode or on next free entry */ > ++}; > ++ > ++/* > ++ * Structure of a blocks group descriptor > ++ */ > ++struct ext2_group_desc > ++{ > ++ __u32 bg_block_bitmap; /* Blocks bitmap block */ > ++ __u32 bg_inode_bitmap; /* Inodes bitmap block */ > ++ __u32 bg_inode_table; /* Inodes table block */ > ++ __u16 bg_free_blocks_count; /* Free blocks count */ > ++ __u16 bg_free_inodes_count; /* Free inodes count */ > ++ __u16 bg_used_dirs_count; /* Directories count */ > ++ __u16 bg_flags; > ++ __u32 bg_exclude_bitmap_lo; /* Exclude bitmap for snapshots */ > ++ __u16 bg_block_bitmap_csum_lo;/* crc32c(s_uuid+grp_num+bitmap) LSB */ > ++ __u16 bg_inode_bitmap_csum_lo;/* crc32c(s_uuid+grp_num+bitmap) LSB */ > ++ __u16 bg_itable_unused; /* Unused inodes count */ > ++ __u16 bg_checksum; /* crc16(s_uuid+grouo_num+group_desc)*/ > ++}; > ++ > ++/* > ++ * Structure of a blocks group descriptor > ++ */ > ++struct ext4_group_desc > ++{ > ++ __u32 bg_block_bitmap; /* Blocks bitmap block */ > ++ __u32 bg_inode_bitmap; /* Inodes bitmap block */ > ++ __u32 bg_inode_table; /* Inodes table block */ > ++ __u16 bg_free_blocks_count; /* Free blocks count */ > ++ __u16 bg_free_inodes_count; /* Free inodes count */ > ++ __u16 bg_used_dirs_count; /* Directories count */ > ++ __u16 bg_flags; /* EXT4_BG_flags (INODE_UNINIT, etc) */ > ++ __u32 bg_exclude_bitmap_lo; /* Exclude bitmap for snapshots */ > ++ __u16 bg_block_bitmap_csum_lo;/* crc32c(s_uuid+grp_num+bitmap) LSB */ > ++ __u16 bg_inode_bitmap_csum_lo;/* crc32c(s_uuid+grp_num+bitmap) LSB */ > ++ __u16 bg_itable_unused; /* Unused inodes count */ > ++ __u16 bg_checksum; /* crc16(sb_uuid+group+desc) */ > ++ __u32 bg_block_bitmap_hi; /* Blocks bitmap block MSB */ > ++ __u32 bg_inode_bitmap_hi; /* Inodes bitmap block MSB */ > ++ __u32 bg_inode_table_hi; /* Inodes table block MSB */ > ++ __u16 bg_free_blocks_count_hi;/* Free blocks count MSB */ > ++ __u16 bg_free_inodes_count_hi;/* Free inodes count MSB */ > ++ __u16 bg_used_dirs_count_hi; /* Directories count MSB */ > ++ __u16 bg_itable_unused_hi; /* Unused inodes count MSB */ > ++ __u32 bg_exclude_bitmap_hi; /* Exclude bitmap block MSB */ > ++ __u16 bg_block_bitmap_csum_hi;/* crc32c(s_uuid+grp_num+bitmap) MSB */ > ++ __u16 bg_inode_bitmap_csum_hi;/* crc32c(s_uuid+grp_num+bitmap) MSB */ > ++ __u32 bg_reserved; > ++}; > ++ > ++#define EXT2_BG_INODE_UNINIT 0x0001 /* Inode table/bitmap not initialized */ > ++#define EXT2_BG_BLOCK_UNINIT 0x0002 /* Block bitmap not initialized */ > ++#define EXT2_BG_INODE_ZEROED 0x0004 /* On-disk itable initialized to zero */ > ++ > ++/* > ++ * Data structures used by the directory indexing feature > ++ * > ++ * Note: all of the multibyte integer fields are little endian. > ++ */ > ++ > ++/* > ++ * Note: dx_root_info is laid out so that if it should somehow get > ++ * overlaid by a dirent the two low bits of the hash version will be > ++ * zero. Therefore, the hash version mod 4 should never be 0. > ++ * Sincerely, the paranoia department. > ++ */ > ++struct ext2_dx_root_info { > ++ __u32 reserved_zero; > ++ __u8 hash_version; /* 0 now, 1 at release */ > ++ __u8 info_length; /* 8 */ > ++ __u8 indirect_levels; > ++ __u8 unused_flags; > ++}; > ++ > ++#define EXT2_HASH_LEGACY 0 > ++#define EXT2_HASH_HALF_MD4 1 > ++#define EXT2_HASH_TEA 2 > ++#define EXT2_HASH_LEGACY_UNSIGNED 3 /* reserved for userspace lib */ > ++#define EXT2_HASH_HALF_MD4_UNSIGNED 4 /* reserved for userspace lib */ > ++#define EXT2_HASH_TEA_UNSIGNED 5 /* reserved for userspace lib */ > ++ > ++#define EXT2_HASH_FLAG_INCOMPAT 0x1 > ++ > ++struct ext2_dx_entry { > ++ __u32 hash; > ++ __u32 block; > ++}; > ++ > ++struct ext2_dx_countlimit { > ++ __u16 limit; > ++ __u16 count; > ++}; > ++ > ++ > ++/* > ++ * Macro-instructions used to manage group descriptors > ++ */ > ++#define EXT2_MIN_DESC_SIZE 32 > ++#define EXT2_MIN_DESC_SIZE_64BIT 64 > ++#define EXT2_MAX_DESC_SIZE EXT2_MIN_BLOCK_SIZE > ++#define EXT2_DESC_SIZE(s) \ > ++ ((EXT2_SB(s)->s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT) ? \ > ++ (s)->s_desc_size : EXT2_MIN_DESC_SIZE) > ++ > ++#define EXT2_BLOCKS_PER_GROUP(s) (EXT2_SB(s)->s_blocks_per_group) > ++#define EXT2_INODES_PER_GROUP(s) (EXT2_SB(s)->s_inodes_per_group) > ++#define EXT2_CLUSTERS_PER_GROUP(s) (EXT2_SB(s)->s_clusters_per_group) > ++#define EXT2_INODES_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s)/EXT2_INODE_SIZE(s)) > ++/* limits imposed by 16-bit value gd_free_{blocks,inode}_count */ > ++#define EXT2_MAX_BLOCKS_PER_GROUP(s) ((((unsigned) 1 << 16) - 8) * \ > ++ (EXT2_CLUSTER_SIZE(s) / \ > ++ EXT2_BLOCK_SIZE(s))) > ++#define EXT2_MAX_CLUSTERS_PER_GROUP(s) (((unsigned) 1 << 16) - 8) > ++#define EXT2_MAX_INODES_PER_GROUP(s) (((unsigned) 1 << 16) - \ > ++ EXT2_INODES_PER_BLOCK(s)) > ++#ifdef __KERNEL__ > ++#define EXT2_DESC_PER_BLOCK(s) (EXT2_SB(s)->s_desc_per_block) > ++#define EXT2_DESC_PER_BLOCK_BITS(s) (EXT2_SB(s)->s_desc_per_block_bits) > ++#else > ++#define EXT2_DESC_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / EXT2_DESC_SIZE(s)) > ++#endif > ++ > ++/* > ++ * Constants relative to the data blocks > ++ */ > ++#define EXT2_NDIR_BLOCKS 12 > ++#define EXT2_IND_BLOCK EXT2_NDIR_BLOCKS > ++#define EXT2_DIND_BLOCK (EXT2_IND_BLOCK + 1) > ++#define EXT2_TIND_BLOCK (EXT2_DIND_BLOCK + 1) > ++#define EXT2_N_BLOCKS (EXT2_TIND_BLOCK + 1) > ++ > ++/* > ++ * Inode flags > ++ */ > ++#define EXT2_SECRM_FL 0x00000001 /* Secure deletion */ > ++#define EXT2_UNRM_FL 0x00000002 /* Undelete */ > ++#define EXT2_COMPR_FL 0x00000004 /* Compress file */ > ++#define EXT2_SYNC_FL 0x00000008 /* Synchronous updates */ > ++#define EXT2_IMMUTABLE_FL 0x00000010 /* Immutable file */ > ++#define EXT2_APPEND_FL 0x00000020 /* writes to file may only append */ > ++#define EXT2_NODUMP_FL 0x00000040 /* do not dump file */ > ++#define EXT2_NOATIME_FL 0x00000080 /* do not update atime */ > ++/* Reserved for compression usage... */ > ++#define EXT2_DIRTY_FL 0x00000100 > ++#define EXT2_COMPRBLK_FL 0x00000200 /* One or more compressed clusters */ > ++#define EXT2_NOCOMPR_FL 0x00000400 /* Access raw compressed data */ > ++#define EXT2_ECOMPR_FL 0x00000800 /* Compression error */ > ++/* End compression flags --- maybe not all used */ > ++#define EXT2_BTREE_FL 0x00001000 /* btree format dir */ > ++#define EXT2_INDEX_FL 0x00001000 /* hash-indexed directory */ > ++#define EXT2_IMAGIC_FL 0x00002000 > ++#define EXT3_JOURNAL_DATA_FL 0x00004000 /* file data should be journaled */ > ++#define EXT2_NOTAIL_FL 0x00008000 /* file tail should not be merged */ > ++#define EXT2_DIRSYNC_FL 0x00010000 /* Synchronous directory modifications */ > ++#define EXT2_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/ > ++#define EXT4_HUGE_FILE_FL 0x00040000 /* Set to each huge file */ > ++#define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */ > ++#define EXT4_EA_INODE_FL 0x00200000 /* Inode used for large EA */ > ++/* EXT4_EOFBLOCKS_FL 0x00400000 was here */ > ++#define EXT4_SNAPFILE_FL 0x01000000 /* Inode is a snapshot */ > ++#define EXT4_SNAPFILE_DELETED_FL 0x04000000 /* Snapshot is being deleted */ > ++#define EXT4_SNAPFILE_SHRUNK_FL 0x08000000 /* Snapshot shrink has completed */ > ++#define EXT2_RESERVED_FL 0x80000000 /* reserved for ext2 lib */ > ++ > ++#define EXT2_FL_USER_VISIBLE 0x004BDFFF /* User visible flags */ > ++#define EXT2_FL_USER_MODIFIABLE 0x004B80FF /* User modifiable flags */ > ++ > ++/* > ++ * ioctl commands > ++ */ > ++ > ++/* Used for online resize */ > ++struct ext2_new_group_input { > ++ __u32 group; /* Group number for this data */ > ++ __u32 block_bitmap; /* Absolute block number of block bitmap */ > ++ __u32 inode_bitmap; /* Absolute block number of inode bitmap */ > ++ __u32 inode_table; /* Absolute block number of inode table start */ > ++ __u32 blocks_count; /* Total number of blocks in this group */ > ++ __u16 reserved_blocks; /* Number of reserved blocks in this group */ > ++ __u16 unused; /* Number of reserved GDT blocks in group */ > ++}; > ++ > ++struct ext4_new_group_input { > ++ __u32 group; /* Group number for this data */ > ++ __u64 block_bitmap; /* Absolute block number of block bitmap */ > ++ __u64 inode_bitmap; /* Absolute block number of inode bitmap */ > ++ __u64 inode_table; /* Absolute block number of inode table start */ > ++ __u32 blocks_count; /* Total number of blocks in this group */ > ++ __u16 reserved_blocks; /* Number of reserved blocks in this group */ > ++ __u16 unused; > ++}; > ++ > ++#ifdef __GNU__ /* Needed for the Hurd */ > ++#define _IOT_ext2_new_group_input _IOT (_IOTS(__u32), 5, _IOTS(__u16), 2, 0, 0) > ++#endif > ++ > ++#define EXT2_IOC_GETFLAGS _IOR('f', 1, long) > ++#define EXT2_IOC_SETFLAGS _IOW('f', 2, long) > ++#define EXT2_IOC_GETVERSION _IOR('v', 1, long) > ++#define EXT2_IOC_SETVERSION _IOW('v', 2, long) > ++#define EXT2_IOC_GETVERSION_NEW _IOR('f', 3, long) > ++#define EXT2_IOC_SETVERSION_NEW _IOW('f', 4, long) > ++#define EXT2_IOC_GROUP_EXTEND _IOW('f', 7, unsigned long) > ++#define EXT2_IOC_GROUP_ADD _IOW('f', 8,struct ext2_new_group_input) > ++#define EXT4_IOC_GROUP_ADD _IOW('f', 8,struct ext4_new_group_input) > ++#define EXT4_IOC_RESIZE_FS _IOW('f', 16, __u64) > ++ > ++/* > ++ * Structure of an inode on the disk > ++ */ > ++struct ext2_inode { > ++ __u16 i_mode; /* File mode */ > ++ __u16 i_uid; /* Low 16 bits of Owner Uid */ > ++ __u32 i_size; /* Size in bytes */ > ++ __u32 i_atime; /* Access time */ > ++ __u32 i_ctime; /* Inode change time */ > ++ __u32 i_mtime; /* Modification time */ > ++ __u32 i_dtime; /* Deletion Time */ > ++ __u16 i_gid; /* Low 16 bits of Group Id */ > ++ __u16 i_links_count; /* Links count */ > ++ __u32 i_blocks; /* Blocks count */ > ++ __u32 i_flags; /* File flags */ > ++ union { > ++ struct { > ++ __u32 l_i_version; /* was l_i_reserved1 */ > ++ } linux1; > ++ struct { > ++ __u32 h_i_translator; > ++ } hurd1; > ++ } osd1; /* OS dependent 1 */ > ++ __u32 i_block[EXT2_N_BLOCKS];/* Pointers to blocks */ > ++ __u32 i_generation; /* File version (for NFS) */ > ++ __u32 i_file_acl; /* File ACL */ > ++ __u32 i_size_high; /* Formerly i_dir_acl, directory ACL */ > ++ __u32 i_faddr; /* Fragment address */ > ++ union { > ++ struct { > ++ __u16 l_i_blocks_hi; > ++ __u16 l_i_file_acl_high; > ++ __u16 l_i_uid_high; /* these 2 fields */ > ++ __u16 l_i_gid_high; /* were reserved2[0] */ > ++ __u16 l_i_checksum_lo; /* crc32c(uuid+inum+inode) */ > ++ __u16 l_i_reserved; > ++ } linux2; > ++ struct { > ++ __u8 h_i_frag; /* Fragment number */ > ++ __u8 h_i_fsize; /* Fragment size */ > ++ __u16 h_i_mode_high; > ++ __u16 h_i_uid_high; > ++ __u16 h_i_gid_high; > ++ __u32 h_i_author; > ++ } hurd2; > ++ } osd2; /* OS dependent 2 */ > ++}; > ++ > ++/* > ++ * Permanent part of an large inode on the disk > ++ */ > ++struct ext2_inode_large { > ++ __u16 i_mode; /* File mode */ > ++ __u16 i_uid; /* Low 16 bits of Owner Uid */ > ++ __u32 i_size; /* Size in bytes */ > ++ __u32 i_atime; /* Access time */ > ++ __u32 i_ctime; /* Inode Change time */ > ++ __u32 i_mtime; /* Modification time */ > ++ __u32 i_dtime; /* Deletion Time */ > ++ __u16 i_gid; /* Low 16 bits of Group Id */ > ++ __u16 i_links_count; /* Links count */ > ++ __u32 i_blocks; /* Blocks count */ > ++ __u32 i_flags; /* File flags */ > ++ union { > ++ struct { > ++ __u32 l_i_version; /* was l_i_reserved1 */ > ++ } linux1; > ++ struct { > ++ __u32 h_i_translator; > ++ } hurd1; > ++ } osd1; /* OS dependent 1 */ > ++ __u32 i_block[EXT2_N_BLOCKS];/* Pointers to blocks */ > ++ __u32 i_generation; /* File version (for NFS) */ > ++ __u32 i_file_acl; /* File ACL */ > ++ __u32 i_size_high; /* Formerly i_dir_acl, directory ACL */ > ++ __u32 i_faddr; /* Fragment address */ > ++ union { > ++ struct { > ++ __u16 l_i_blocks_hi; > ++ __u16 l_i_file_acl_high; > ++ __u16 l_i_uid_high; /* these 2 fields */ > ++ __u16 l_i_gid_high; /* were reserved2[0] */ > ++ __u16 l_i_checksum_lo; /* crc32c(uuid+inum+inode) */ > ++ __u16 l_i_reserved; > ++ } linux2; > ++ struct { > ++ __u8 h_i_frag; /* Fragment number */ > ++ __u8 h_i_fsize; /* Fragment size */ > ++ __u16 h_i_mode_high; > ++ __u16 h_i_uid_high; > ++ __u16 h_i_gid_high; > ++ __u32 h_i_author; > ++ } hurd2; > ++ } osd2; /* OS dependent 2 */ > ++ __u16 i_extra_isize; > ++ __u16 i_checksum_hi; /* crc32c(uuid+inum+inode) */ > ++ __u32 i_ctime_extra; /* extra Change time (nsec << 2 | epoch) */ > ++ __u32 i_mtime_extra; /* extra Modification time (nsec << 2 | epoch) */ > ++ __u32 i_atime_extra; /* extra Access time (nsec << 2 | epoch) */ > ++ __u32 i_crtime; /* File creation time */ > ++ __u32 i_crtime_extra; /* extra File creation time (nsec << 2 | epoch)*/ > ++ __u32 i_version_hi; /* high 32 bits for 64-bit version */ > ++}; > ++ > ++#define i_dir_acl i_size_high > ++ > ++#if defined(__KERNEL__) || defined(__linux__) > ++#define i_reserved1 osd1.linux1.l_i_reserved1 > ++#define i_frag osd2.linux2.l_i_frag > ++#define i_fsize osd2.linux2.l_i_fsize > ++#define i_uid_low i_uid > ++#define i_gid_low i_gid > ++#define i_uid_high osd2.linux2.l_i_uid_high > ++#define i_gid_high osd2.linux2.l_i_gid_high > ++#else > ++#if defined(__GNU__) > ++ > ++#define i_translator osd1.hurd1.h_i_translator > ++#define i_frag osd2.hurd2.h_i_frag; > ++#define i_fsize osd2.hurd2.h_i_fsize; > ++#define i_uid_high osd2.hurd2.h_i_uid_high > ++#define i_gid_high osd2.hurd2.h_i_gid_high > ++#define i_author osd2.hurd2.h_i_author > ++ > ++#endif /* __GNU__ */ > ++#endif /* defined(__KERNEL__) || defined(__linux__) */ > ++ > ++#define inode_uid(inode) ((inode).i_uid | (inode).osd2.linux2.l_i_uid_high << 16) > ++#define inode_gid(inode) ((inode).i_gid | (inode).osd2.linux2.l_i_gid_high << 16) > ++#define ext2fs_set_i_uid_high(inode,x) ((inode).osd2.linux2.l_i_uid_high = (x)) > ++#define ext2fs_set_i_gid_high(inode,x) ((inode).osd2.linux2.l_i_gid_high = (x)) > ++ > ++/* > ++ * File system states > ++ */ > ++#define EXT2_VALID_FS 0x0001 /* Unmounted cleanly */ > ++#define EXT2_ERROR_FS 0x0002 /* Errors detected */ > ++#define EXT3_ORPHAN_FS 0x0004 /* Orphans being recovered */ > ++ > ++/* > ++ * Misc. filesystem flags > ++ */ > ++#define EXT2_FLAGS_SIGNED_HASH 0x0001 /* Signed dirhash in use */ > ++#define EXT2_FLAGS_UNSIGNED_HASH 0x0002 /* Unsigned dirhash in use */ > ++#define EXT2_FLAGS_TEST_FILESYS 0x0004 /* OK for use on development code */ > ++#define EXT2_FLAGS_IS_SNAPSHOT 0x0010 /* This is a snapshot image */ > ++#define EXT2_FLAGS_FIX_SNAPSHOT 0x0020 /* Snapshot inodes corrupted */ > ++#define EXT2_FLAGS_FIX_EXCLUDE 0x0040 /* Exclude bitmaps corrupted */ > ++ > ++/* > ++ * Mount flags > ++ */ > ++#define EXT2_MOUNT_CHECK 0x0001 /* Do mount-time checks */ > ++#define EXT2_MOUNT_GRPID 0x0004 /* Create files with directory's group */ > ++#define EXT2_MOUNT_DEBUG 0x0008 /* Some debugging messages */ > ++#define EXT2_MOUNT_ERRORS_CONT 0x0010 /* Continue on errors */ > ++#define EXT2_MOUNT_ERRORS_RO 0x0020 /* Remount fs ro on errors */ > ++#define EXT2_MOUNT_ERRORS_PANIC 0x0040 /* Panic on errors */ > ++#define EXT2_MOUNT_MINIX_DF 0x0080 /* Mimics the Minix statfs */ > ++#define EXT2_MOUNT_NO_UID32 0x0200 /* Disable 32-bit UIDs */ > ++ > ++#define clear_opt(o, opt) o &= ~EXT2_MOUNT_##opt > ++#define set_opt(o, opt) o |= EXT2_MOUNT_##opt > ++#define test_opt(sb, opt) (EXT2_SB(sb)->s_mount_opt & \ > ++ EXT2_MOUNT_##opt) > ++/* > ++ * Maximal mount counts between two filesystem checks > ++ */ > ++#define EXT2_DFL_MAX_MNT_COUNT 20 /* Allow 20 mounts */ > ++#define EXT2_DFL_CHECKINTERVAL 0 /* Don't use interval check */ > ++ > ++/* > ++ * Behaviour when detecting errors > ++ */ > ++#define EXT2_ERRORS_CONTINUE 1 /* Continue execution */ > ++#define EXT2_ERRORS_RO 2 /* Remount fs read-only */ > ++#define EXT2_ERRORS_PANIC 3 /* Panic */ > ++#define EXT2_ERRORS_DEFAULT EXT2_ERRORS_CONTINUE > ++ > ++#if (__GNUC__ >= 4) > ++#define ext4_offsetof(TYPE,MEMBER) __builtin_offsetof(TYPE,MEMBER) > ++#else > ++#define ext4_offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) > ++#endif > ++ > ++/* > ++ * Structure of the super block > ++ */ > ++struct ext2_super_block { > ++ __u32 s_inodes_count; /* Inodes count */ > ++ __u32 s_blocks_count; /* Blocks count */ > ++ __u32 s_r_blocks_count; /* Reserved blocks count */ > ++ __u32 s_free_blocks_count; /* Free blocks count */ > ++ __u32 s_free_inodes_count; /* Free inodes count */ > ++ __u32 s_first_data_block; /* First Data Block */ > ++ __u32 s_log_block_size; /* Block size */ > ++ __u32 s_log_cluster_size; /* Allocation cluster size */ > ++ __u32 s_blocks_per_group; /* # Blocks per group */ > ++ __u32 s_clusters_per_group; /* # Fragments per group */ > ++ __u32 s_inodes_per_group; /* # Inodes per group */ > ++ __u32 s_mtime; /* Mount time */ > ++ __u32 s_wtime; /* Write time */ > ++ __u16 s_mnt_count; /* Mount count */ > ++ __s16 s_max_mnt_count; /* Maximal mount count */ > ++ __u16 s_magic; /* Magic signature */ > ++ __u16 s_state; /* File system state */ > ++ __u16 s_errors; /* Behaviour when detecting errors */ > ++ __u16 s_minor_rev_level; /* minor revision level */ > ++ __u32 s_lastcheck; /* time of last check */ > ++ __u32 s_checkinterval; /* max. time between checks */ > ++ __u32 s_creator_os; /* OS */ > ++ __u32 s_rev_level; /* Revision level */ > ++ __u16 s_def_resuid; /* Default uid for reserved blocks */ > ++ __u16 s_def_resgid; /* Default gid for reserved blocks */ > ++ /* > ++ * These fields are for EXT2_DYNAMIC_REV superblocks only. > ++ * > ++ * Note: the difference between the compatible feature set and > ++ * the incompatible feature set is that if there is a bit set > ++ * in the incompatible feature set that the kernel doesn't > ++ * know about, it should refuse to mount the filesystem. > ++ * > ++ * e2fsck's requirements are more strict; if it doesn't know > ++ * about a feature in either the compatible or incompatible > ++ * feature set, it must abort and not try to meddle with > ++ * things it doesn't understand... > ++ */ > ++ __u32 s_first_ino; /* First non-reserved inode */ > ++ __u16 s_inode_size; /* size of inode structure */ > ++ __u16 s_block_group_nr; /* block group # of this superblock */ > ++ __u32 s_feature_compat; /* compatible feature set */ > ++ __u32 s_feature_incompat; /* incompatible feature set */ > ++ __u32 s_feature_ro_compat; /* readonly-compatible feature set */ > ++ __u8 s_uuid[16]; /* 128-bit uuid for volume */ > ++ char s_volume_name[16]; /* volume name */ > ++ char s_last_mounted[64]; /* directory where last mounted */ > ++ __u32 s_algorithm_usage_bitmap; /* For compression */ > ++ /* > ++ * Performance hints. Directory preallocation should only > ++ * happen if the EXT2_FEATURE_COMPAT_DIR_PREALLOC flag is on. > ++ */ > ++ __u8 s_prealloc_blocks; /* Nr of blocks to try to preallocate*/ > ++ __u8 s_prealloc_dir_blocks; /* Nr to preallocate for dirs */ > ++ __u16 s_reserved_gdt_blocks; /* Per group table for online growth */ > ++ /* > ++ * Journaling support valid if EXT2_FEATURE_COMPAT_HAS_JOURNAL set. > ++ */ > ++ __u8 s_journal_uuid[16]; /* uuid of journal superblock */ > ++ __u32 s_journal_inum; /* inode number of journal file */ > ++ __u32 s_journal_dev; /* device number of journal file */ > ++ __u32 s_last_orphan; /* start of list of inodes to delete */ > ++ __u32 s_hash_seed[4]; /* HTREE hash seed */ > ++ __u8 s_def_hash_version; /* Default hash version to use */ > ++ __u8 s_jnl_backup_type; /* Default type of journal backup */ > ++ __u16 s_desc_size; /* Group desc. size: INCOMPAT_64BIT */ > ++ __u32 s_default_mount_opts; > ++ __u32 s_first_meta_bg; /* First metablock group */ > ++ __u32 s_mkfs_time; /* When the filesystem was created */ > ++ __u32 s_jnl_blocks[17]; /* Backup of the journal inode */ > ++ __u32 s_blocks_count_hi; /* Blocks count high 32bits */ > ++ __u32 s_r_blocks_count_hi; /* Reserved blocks count high 32 bits*/ > ++ __u32 s_free_blocks_hi; /* Free blocks count */ > ++ __u16 s_min_extra_isize; /* All inodes have at least # bytes */ > ++ __u16 s_want_extra_isize; /* New inodes should reserve # bytes */ > ++ __u32 s_flags; /* Miscellaneous flags */ > ++ __u16 s_raid_stride; /* RAID stride */ > ++ __u16 s_mmp_update_interval; /* # seconds to wait in MMP checking */ > ++ __u64 s_mmp_block; /* Block for multi-mount protection */ > ++ __u32 s_raid_stripe_width; /* blocks on all data disks (N*stride)*/ > ++ __u8 s_log_groups_per_flex; /* FLEX_BG group size */ > ++ __u8 s_reserved_char_pad; > ++ __u16 s_reserved_pad; /* Padding to next 32bits */ > ++ __u64 s_kbytes_written; /* nr of lifetime kilobytes written */ > ++ __u32 s_snapshot_inum; /* Inode number of active snapshot */ > ++ __u32 s_snapshot_id; /* sequential ID of active snapshot */ > ++ __u64 s_snapshot_r_blocks_count; /* reserved blocks for active > ++ snapshot's future use */ > ++ __u32 s_snapshot_list; /* inode number of the head of the on-disk snapshot list */ > ++#define EXT4_S_ERR_START ext4_offsetof(struct ext2_super_block, s_error_count) > ++ __u32 s_error_count; /* number of fs errors */ > ++ __u32 s_first_error_time; /* first time an error happened */ > ++ __u32 s_first_error_ino; /* inode involved in first error */ > ++ __u64 s_first_error_block; /* block involved of first error */ > ++ __u8 s_first_error_func[32]; /* function where the error happened */ > ++ __u32 s_first_error_line; /* line number where error happened */ > ++ __u32 s_last_error_time; /* most recent time of an error */ > ++ __u32 s_last_error_ino; /* inode involved in last error */ > ++ __u32 s_last_error_line; /* line number where error happened */ > ++ __u64 s_last_error_block; /* block involved of last error */ > ++ __u8 s_last_error_func[32]; /* function where the error happened */ > ++#define EXT4_S_ERR_END ext4_offsetof(struct ext2_super_block, s_mount_opts) > ++ __u8 s_mount_opts[64]; > ++ __u32 s_usr_quota_inum; /* inode number of user quota file */ > ++ __u32 s_grp_quota_inum; /* inode number of group quota file */ > ++ __u32 s_overhead_blocks; /* overhead blocks/clusters in fs */ > ++ __u32 s_reserved[108]; /* Padding to the end of the block */ > ++ __u32 s_checksum; /* crc32c(superblock) */ > ++}; > ++ > ++#define EXT4_S_ERR_LEN (EXT4_S_ERR_END - EXT4_S_ERR_START) > ++ > ++/* > ++ * Codes for operating systems > ++ */ > ++#define EXT2_OS_LINUX 0 > ++#define EXT2_OS_HURD 1 > ++#define EXT2_OBSO_OS_MASIX 2 > ++#define EXT2_OS_FREEBSD 3 > ++#define EXT2_OS_LITES 4 > ++ > ++/* > ++ * Revision levels > ++ */ > ++#define EXT2_GOOD_OLD_REV 0 /* The good old (original) format */ > ++#define EXT2_DYNAMIC_REV 1 /* V2 format w/ dynamic inode sizes */ > ++ > ++#define EXT2_CURRENT_REV EXT2_GOOD_OLD_REV > ++#define EXT2_MAX_SUPP_REV EXT2_DYNAMIC_REV > ++ > ++#define EXT2_GOOD_OLD_INODE_SIZE 128 > ++ > ++/* > ++ * Journal inode backup types > ++ */ > ++#define EXT3_JNL_BACKUP_BLOCKS 1 > ++ > ++/* > ++ * Feature set definitions > ++ */ > ++ > ++#define EXT2_HAS_COMPAT_FEATURE(sb,mask) \ > ++ ( EXT2_SB(sb)->s_feature_compat & (mask) ) > ++#define EXT2_HAS_RO_COMPAT_FEATURE(sb,mask) \ > ++ ( EXT2_SB(sb)->s_feature_ro_compat & (mask) ) > ++#define EXT2_HAS_INCOMPAT_FEATURE(sb,mask) \ > ++ ( EXT2_SB(sb)->s_feature_incompat & (mask) ) > ++ > ++#define EXT2_FEATURE_COMPAT_DIR_PREALLOC 0x0001 > ++#define EXT2_FEATURE_COMPAT_IMAGIC_INODES 0x0002 > ++#define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x0004 > ++#define EXT2_FEATURE_COMPAT_EXT_ATTR 0x0008 > ++#define EXT2_FEATURE_COMPAT_RESIZE_INODE 0x0010 > ++#define EXT2_FEATURE_COMPAT_DIR_INDEX 0x0020 > ++#define EXT2_FEATURE_COMPAT_LAZY_BG 0x0040 > ++/* #define EXT2_FEATURE_COMPAT_EXCLUDE_INODE 0x0080 not used, legacy */ > ++#define EXT2_FEATURE_COMPAT_EXCLUDE_BITMAP 0x0100 > ++ > ++ > ++#define EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001 > ++#define EXT2_FEATURE_RO_COMPAT_LARGE_FILE 0x0002 > ++/* #define EXT2_FEATURE_RO_COMPAT_BTREE_DIR 0x0004 not used */ > ++#define EXT4_FEATURE_RO_COMPAT_HUGE_FILE 0x0008 > ++#define EXT4_FEATURE_RO_COMPAT_GDT_CSUM 0x0010 > ++#define EXT4_FEATURE_RO_COMPAT_DIR_NLINK 0x0020 > ++#define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE 0x0040 > ++#define EXT4_FEATURE_RO_COMPAT_HAS_SNAPSHOT 0x0080 > ++#define EXT4_FEATURE_RO_COMPAT_QUOTA 0x0100 > ++#define EXT4_FEATURE_RO_COMPAT_BIGALLOC 0x0200 > ++#define EXT4_FEATURE_RO_COMPAT_METADATA_CSUM 0x0400 > ++#define EXT4_FEATURE_RO_COMPAT_REPLICA 0x0800 > ++ > ++#define EXT2_FEATURE_INCOMPAT_COMPRESSION 0x0001 > ++#define EXT2_FEATURE_INCOMPAT_FILETYPE 0x0002 > ++#define EXT3_FEATURE_INCOMPAT_RECOVER 0x0004 /* Needs recovery */ > ++#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x0008 /* Journal device */ > ++#define EXT2_FEATURE_INCOMPAT_META_BG 0x0010 > ++#define EXT3_FEATURE_INCOMPAT_EXTENTS 0x0040 > ++#define EXT4_FEATURE_INCOMPAT_64BIT 0x0080 > ++#define EXT4_FEATURE_INCOMPAT_MMP 0x0100 > ++#define EXT4_FEATURE_INCOMPAT_FLEX_BG 0x0200 > ++#define EXT4_FEATURE_INCOMPAT_EA_INODE 0x0400 > ++#define EXT4_FEATURE_INCOMPAT_DIRDATA 0x1000 > ++ > ++#define EXT2_FEATURE_COMPAT_SUPP 0 > ++#define EXT2_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE| \ > ++ EXT4_FEATURE_INCOMPAT_MMP) > ++#define EXT2_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \ > ++ EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \ > ++ EXT4_FEATURE_RO_COMPAT_DIR_NLINK| \ > ++ EXT2_FEATURE_RO_COMPAT_BTREE_DIR) > ++ > ++/* > ++ * Default values for user and/or group using reserved blocks > ++ */ > ++#define EXT2_DEF_RESUID 0 > ++#define EXT2_DEF_RESGID 0 > ++ > ++/* > ++ * Default mount options > ++ */ > ++#define EXT2_DEFM_DEBUG 0x0001 > ++#define EXT2_DEFM_BSDGROUPS 0x0002 > ++#define EXT2_DEFM_XATTR_USER 0x0004 > ++#define EXT2_DEFM_ACL 0x0008 > ++#define EXT2_DEFM_UID16 0x0010 > ++#define EXT3_DEFM_JMODE 0x0060 > ++#define EXT3_DEFM_JMODE_DATA 0x0020 > ++#define EXT3_DEFM_JMODE_ORDERED 0x0040 > ++#define EXT3_DEFM_JMODE_WBACK 0x0060 > ++#define EXT4_DEFM_NOBARRIER 0x0100 > ++#define EXT4_DEFM_BLOCK_VALIDITY 0x0200 > ++#define EXT4_DEFM_DISCARD 0x0400 > ++#define EXT4_DEFM_NODELALLOC 0x0800 > ++ > ++/* > ++ * Structure of a directory entry > ++ */ > ++#define EXT2_NAME_LEN 255 > ++ > ++struct ext2_dir_entry { > ++ __u32 inode; /* Inode number */ > ++ __u16 rec_len; /* Directory entry length */ > ++ __u16 name_len; /* Name length */ > ++ char name[EXT2_NAME_LEN]; /* File name */ > ++}; > ++ > ++/* > ++ * The new version of the directory entry. Since EXT2 structures are > ++ * stored in intel byte order, and the name_len field could never be > ++ * bigger than 255 chars, it's safe to reclaim the extra byte for the > ++ * file_type field. > ++ */ > ++struct ext2_dir_entry_2 { > ++ __u32 inode; /* Inode number */ > ++ __u16 rec_len; /* Directory entry length */ > ++ __u8 name_len; /* Name length */ > ++ __u8 file_type; > ++ char name[EXT2_NAME_LEN]; /* File name */ > ++}; > ++ > ++/* > ++ * Ext2 directory file types. Only the low 3 bits are used. The > ++ * other bits are reserved for now. > ++ */ > ++#define EXT2_FT_UNKNOWN 0 > ++#define EXT2_FT_REG_FILE 1 > ++#define EXT2_FT_DIR 2 > ++#define EXT2_FT_CHRDEV 3 > ++#define EXT2_FT_BLKDEV 4 > ++#define EXT2_FT_FIFO 5 > ++#define EXT2_FT_SOCK 6 > ++#define EXT2_FT_SYMLINK 7 > ++ > ++#define EXT2_FT_MAX 8 > ++ > ++/* > ++ * EXT2_DIR_PAD defines the directory entries boundaries > ++ * > ++ * NOTE: It must be a multiple of 4 > ++ */ > ++#define EXT2_DIR_PAD 4 > ++#define EXT2_DIR_ROUND (EXT2_DIR_PAD - 1) > ++#define EXT2_DIR_REC_LEN(name_len) (((name_len) + 8 + EXT2_DIR_ROUND) & \ > ++ ~EXT2_DIR_ROUND) > ++ > ++/* > ++ * This structure is used for multiple mount protection. It is written > ++ * into the block number saved in the s_mmp_block field in the superblock. > ++ * Programs that check MMP should assume that if SEQ_FSCK (or any unknown > ++ * code above SEQ_MAX) is present then it is NOT safe to use the filesystem, > ++ * regardless of how old the timestamp is. > ++ * > ++ * The timestamp in the MMP structure will be updated by e2fsck at some > ++ * arbitary intervals (start of passes, after every few groups of inodes > ++ * in pass1 and pass1b). There is no guarantee that e2fsck is updating > ++ * the MMP block in a timely manner, and the updates it does are purely > ++ * for the convenience of the sysadmin and not for automatic validation. > ++ * > ++ * Note: Only the mmp_seq value is used to determine whether the MMP block > ++ * is being updated. The mmp_time, mmp_nodename, and mmp_bdevname > ++ * fields are only for informational purposes for the administrator, > ++ * due to clock skew between nodes and hostname HA service takeover. > ++ */ > ++#define EXT4_MMP_MAGIC 0x004D4D50U /* ASCII for MMP */ > ++#define EXT4_MMP_SEQ_CLEAN 0xFF4D4D50U /* mmp_seq value for clean unmount */ > ++#define EXT4_MMP_SEQ_FSCK 0xE24D4D50U /* mmp_seq value when being fscked */ > ++#define EXT4_MMP_SEQ_MAX 0xE24D4D4FU /* maximum valid mmp_seq value */ > ++ > ++struct mmp_struct { > ++ __u32 mmp_magic; /* Magic number for MMP */ > ++ __u32 mmp_seq; /* Sequence no. updated periodically */ > ++ __u64 mmp_time; /* Time last updated */ > ++ char mmp_nodename[64]; /* Node which last updated MMP block */ > ++ char mmp_bdevname[32]; /* Bdev which last updated MMP block */ > ++ __u16 mmp_check_interval; /* Changed mmp_check_interval */ > ++ __u16 mmp_pad1; > ++ __u32 mmp_pad2[227]; > ++}; > ++ > ++/* > ++ * Default interval for MMP update in seconds. > ++ */ > ++#define EXT4_MMP_UPDATE_INTERVAL 5 > ++ > ++/* > ++ * Maximum interval for MMP update in seconds. > ++ */ > ++#define EXT4_MMP_MAX_UPDATE_INTERVAL 300 > ++ > ++/* > ++ * Minimum interval for MMP checking in seconds. > ++ */ > ++#define EXT4_MMP_MIN_CHECK_INTERVAL 5 > ++ > ++#endif /* _EXT2FS_EXT2_FS_H */ > +Index: syslinux-4.03/libinstaller/linuxioctl.h > +=================================================================== > +--- syslinux-4.03.orig/libinstaller/linuxioctl.h > ++++ syslinux-4.03/libinstaller/linuxioctl.h > +@@ -9,17 +9,33 @@ > + > + #include <sys/ioctl.h> > + > ++#ifdef __linux__ > ++ > + #define statfs _kernel_statfs /* HACK to deal with broken 2.4 distros */ > + > + #include <linux/fd.h> /* Floppy geometry */ > + #include <linux/hdreg.h> /* Hard disk geometry */ > + > +-#include <linux/fs.h> /* FIGETBSZ, FIBMAP, FS_IOC_FIEMAP */ > ++#include <linux/fs.h> /* FIGETBSZ, FIBMAP, FS_IOC_* */ > + #include <linux/msdos_fs.h> /* FAT_IOCTL_SET_ATTRIBUTES */ > + > + #undef SECTOR_SIZE /* Defined in msdos_fs.h for no good reason */ > + #undef SECTOR_BITS > +-#include <linux/ext2_fs.h> /* EXT2_IOC_* */ > ++ > ++#ifndef FS_IOC_GETFLAGS > ++/* Old kernel headers, these were once ext2-specific... */ > ++# include <linux/ext2_fs.h> /* EXT2_IOC_* */ > ++ > ++# define FS_IOC_GETFLAGS EXT2_IOC_GETFLAGS > ++# define FS_IOC_SETFLAGS EXT2_IOC_SETFLAGS > ++ > ++# define FS_IMMUTABLE_FL EXT2_IMMUTABLE_FL > ++ > ++#else > ++ > ++# include <ext2fs/ext2_fs.h> > ++ > ++#endif > + > + #ifndef FAT_IOCTL_GET_ATTRIBUTES > + # define FAT_IOCTL_GET_ATTRIBUTES _IOR('r', 0x10, __u32) > +@@ -37,11 +53,13 @@ > + > + #undef statfs > + > +-#if defined(__linux__) && !defined(BLKGETSIZE64) > ++#ifndef BLKGETSIZE64 > + /* This takes a u64, but the size field says size_t. Someone screwed big. */ > + # define BLKGETSIZE64 _IOR(0x12,114,size_t) > + #endif > + > + #include <linux/loop.h> > + > ++#endif /* __linux__ */ > ++ > + #endif /* LIBINSTALLER_LINUXIOCTL_H */ > +Index: syslinux-4.03/libinstaller/syslxcom.c > +=================================================================== > +--- syslinux-4.03.orig/libinstaller/syslxcom.c > ++++ syslinux-4.03/libinstaller/syslxcom.c > +@@ -121,9 +121,9 @@ void clear_attributes(int fd) > + { > + int flags; > + > +- if (!ioctl(fd, EXT2_IOC_GETFLAGS, &flags)) { > +- flags &= ~EXT2_IMMUTABLE_FL; > +- ioctl(fd, EXT2_IOC_SETFLAGS, &flags); > ++ if (!ioctl(fd, FS_IOC_GETFLAGS, &flags)) { > ++ flags &= ~FS_IMMUTABLE_FL; > ++ ioctl(fd, FS_IOC_SETFLAGS, &flags); > + } > + break; > + } > +@@ -151,9 +151,9 @@ void set_attributes(int fd) > + { > + int flags; > + > +- if (st.st_uid == 0 && !ioctl(fd, EXT2_IOC_GETFLAGS, &flags)) { > +- flags |= EXT2_IMMUTABLE_FL; > +- ioctl(fd, EXT2_IOC_SETFLAGS, &flags); > ++ if (st.st_uid == 0 && !ioctl(fd, FS_IOC_GETFLAGS, &flags)) { > ++ flags |= FS_IMMUTABLE_FL; > ++ ioctl(fd, FS_IOC_SETFLAGS, &flags); > + } > + break; > + } > diff --git a/meta/recipes-devtools/syslinux/syslinux_4.03.bb b/meta/recipes-devtools/syslinux/syslinux_4.03.bb > index e76fe1f..a3eb566 100644 > --- a/meta/recipes-devtools/syslinux/syslinux_4.03.bb > +++ b/meta/recipes-devtools/syslinux/syslinux_4.03.bb > @@ -7,10 +7,11 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=0636e73ff0215e8d672dc4c32c317bb3 \ > # If you really want to run syslinux, you need mtools. We just want the > # ldlinux.* stuff for now, so skip mtools-native > DEPENDS = "nasm-native" > -PR = "r2" > +PR = "r3" > > SRC_URI = "${KERNELORG_MIRROR}/linux/utils/boot/syslinux/syslinux-${PV}.tar.bz2 \ > - file://cross-build.patch" > + file://cross-build.patch \ > + file://libinstaller-Avoid-using-linux-ext2_fs.h.patch" > > SRC_URI[md5sum] = "a7ca38a0a5786b6efae8fb01a1ae8070" > SRC_URI[sha256sum] = "c65567e324f9d1f7f794ae8f9578a0292bbd47d7b8d895a004d2f0152d0bda38" -- Darren Hart Intel Open Source Technology Center Yocto Project - Linux Kernel ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH 0/1] [1.1.2] Fix syslinux on kernel 3.3 2012-05-30 15:29 [PATCH 0/1] [1.1.2] Fix syslinux on kernel 3.3 Ross Burton 2012-05-30 15:31 ` [PATCH 1/1] syslinux: Avoid using linux.ext2_fs.h if possible Ross Burton @ 2012-05-30 15:57 ` Joshua Lock 1 sibling, 0 replies; 4+ messages in thread From: Joshua Lock @ 2012-05-30 15:57 UTC (permalink / raw) To: Ross Burton; +Cc: yocto, Darren Hart On 30/05/12 08:29, Ross Burton wrote: > Backporting a patch from master that fixes building syslinux on kernel 3.3. This change is in my recently proposed series of updates for 2011-1/edison which was sent to the OE-Core list. See: http://thread.gmane.org/gmane.comp.handhelds.openembedded.core/20836 and: http://git.yoctoproject.org/cgit/cgit.cgi/poky-contrib/log/?h=josh/edison Joshua > > The following changes since commit 1cdea4cf5f8ec8b32aa406b1767338a11618dba5: > > syslinux: Avoid using linux.ext2_fs.h if possible (2012-05-28 12:29:04 +0100) > > are available in the git repository at: > git://git.yoctoproject.org/poky-contrib ross/edison-2236 > http://git.yoctoproject.org/cgit.cgi/poky-contrib/log/?h=ross/edison-2236 > > Darren Hart (1): > syslinux: Avoid using linux.ext2_fs.h if possible > > .../libinstaller-Avoid-using-linux-ext2_fs.h.patch | 975 ++++++++++++++++++++ > meta/recipes-devtools/syslinux/syslinux_4.03.bb | 5 +- > 2 files changed, 978 insertions(+), 2 deletions(-) > create mode 100644 meta/recipes-devtools/syslinux/files/libinstaller-Avoid-using-linux-ext2_fs.h.patch > -- Joshua Lock Yocto Project Intel Open Source Technology Centre ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2012-05-30 15:57 UTC | newest] Thread overview: 4+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2012-05-30 15:29 [PATCH 0/1] [1.1.2] Fix syslinux on kernel 3.3 Ross Burton 2012-05-30 15:31 ` [PATCH 1/1] syslinux: Avoid using linux.ext2_fs.h if possible Ross Burton 2012-05-30 15:45 ` Darren Hart 2012-05-30 15:57 ` [PATCH 0/1] [1.1.2] Fix syslinux on kernel 3.3 Joshua Lock
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