[PATCH 06/22] xfsprogs: remove xfs_mount.h

Dave Chinner
2013-06-12T10:37:03Z

It is no longer used by anything in userspace, so we don't need it
anymore. Remove it.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
---
include/Makefile | 2 +-
include/libxfs.h | 7 +-
include/xfs_mount.h | 356 ---------------------------------------------------
3 files changed, 6 insertions(+), 359 deletions(-)
delete mode 100644 include/xfs_mount.h

diff --git a/include/Makefile b/include/Makefile
index ba2c80d..a69df5b 100644
--- a/include/Makefile
+++ b/include/Makefile
@@ -28,7 +28,7 @@ QAHFILES = libxfs.h libxlog.h \
xfs_extfree_item.h xfs_ialloc.h xfs_ialloc_btree.h \
xfs_icreate_item.h xfs_inode.h xfs_inode_item.h xfs_inum.h \
xfs_log.h xfs_log_priv.h xfs_log_recover.h xfs_metadump.h \
- xfs_mount.h xfs_quota.h xfs_rtalloc.h xfs_sb.h xfs_symlink.h \
+ xfs_quota.h xfs_rtalloc.h xfs_sb.h xfs_symlink.h \
xfs_trace.h xfs_trans.h xfs_trans_space.h xfs_dfrag.h

HFILES = handle.h jdm.h xqm.h xfs.h xfs_fs.h xfs_types.h
diff --git a/include/libxfs.h b/include/libxfs.h
index 9ab9604..ee69cac 100644
--- a/include/libxfs.h
+++ b/include/libxfs.h
@@ -41,7 +41,6 @@
#include <xfs/xfs_sb.h>
#include <xfs/xfs_ag.h>
#include <xfs/xfs_dir2.h>
-#include <xfs/xfs_mount.h>
#include <xfs/xfs_da_btree.h>
#include <xfs/xfs_bmap_btree.h>
#include <xfs/xfs_alloc_btree.h>
@@ -600,6 +599,10 @@ extern void libxfs_fs_cmn_err(int, struct xfs_mount *, char *, ...);
extern void cmn_err(int, char *, ...);
enum ce { CE_DEBUG, CE_CONT, CE_NOTE, CE_WARN, CE_ALERT, CE_PANIC };

+#define xfs_daddr_to_agno(mp,d) \
+ ((xfs_agnumber_t)(XFS_BB_TO_FSBT(mp, d) / (mp)->m_sb.sb_agblocks))
+#define xfs_daddr_to_agbno(mp,d) \
+ ((xfs_agblock_t)(XFS_BB_TO_FSBT(mp, d) % (mp)->m_sb.sb_agblocks))

#define LIBXFS_BBTOOFF64(bbs) (((xfs_off_t)(bbs)) << BBSHIFT)
extern int libxfs_nproc(void);
@@ -686,7 +689,7 @@ void xfs_dinode_from_disk(struct xfs_icdinode *,
#define libxfs_idata_realloc xfs_idata_realloc
#define libxfs_idestroy_fork xfs_idestroy_fork

-/* xfs_mount.h */
+/* xfs_sb.h */
#define libxfs_mod_sb xfs_mod_sb
#define libxfs_sb_from_disk xfs_sb_from_disk
#define libxfs_sb_to_disk xfs_sb_to_disk
diff --git a/include/xfs_mount.h b/include/xfs_mount.h
deleted file mode 100644
index ce0adfb..0000000
--- a/include/xfs_mount.h
+++ /dev/null
@@ -1,356 +0,0 @@
-/*
- * Copyright (c) 2000-2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#ifndef __XFS_MOUNT_H__
-#define __XFS_MOUNT_H__
-
-
-#ifndef __KERNEL__
-
-#define xfs_daddr_to_agno(mp,d) \
- ((xfs_agnumber_t)(XFS_BB_TO_FSBT(mp, d) / (mp)->m_sb.sb_agblocks))
-#define xfs_daddr_to_agbno(mp,d) \
- ((xfs_agblock_t)(XFS_BB_TO_FSBT(mp, d) % (mp)->m_sb.sb_agblocks))
-
-#else /* __KERNEL__ */
-
-struct xlog;
-struct xfs_inode;
-struct xfs_mru_cache;
-struct xfs_nameops;
-struct xfs_ail;
-struct xfs_quotainfo;
-
-#ifdef HAVE_PERCPU_SB
-
-/*
- * Valid per-cpu incore superblock counters. Note that if you add new counters,
- * you may need to define new counter disabled bit field descriptors as there
- * are more possible fields in the superblock that can fit in a bitfield on a
- * 32 bit platform. The XFS_SBS_* values for the current current counters just
- * fit.
- */
-typedef struct xfs_icsb_cnts {
- uint64_t icsb_fdblocks;
- uint64_t icsb_ifree;
- uint64_t icsb_icount;
- unsigned long icsb_flags;
-} xfs_icsb_cnts_t;
-
-#define XFS_ICSB_FLAG_LOCK (1 << 0) /* counter lock bit */
-
-#define XFS_ICSB_LAZY_COUNT (1 << 1) /* accuracy not needed */
-
-extern int xfs_icsb_init_counters(struct xfs_mount *);
-extern void xfs_icsb_reinit_counters(struct xfs_mount *);
-extern void xfs_icsb_destroy_counters(struct xfs_mount *);
-extern void xfs_icsb_sync_counters(struct xfs_mount *, int);
-extern void xfs_icsb_sync_counters_locked(struct xfs_mount *, int);
-extern int xfs_icsb_modify_counters(struct xfs_mount *, xfs_sb_field_t,
- int64_t, int);
-
-#else
-#define xfs_icsb_init_counters(mp) (0)
-#define xfs_icsb_destroy_counters(mp) do { } while (0)
-#define xfs_icsb_reinit_counters(mp) do { } while (0)
-#define xfs_icsb_sync_counters(mp, flags) do { } while (0)
-#define xfs_icsb_sync_counters_locked(mp, flags) do { } while (0)
-#define xfs_icsb_modify_counters(mp, field, delta, rsvd) \
- xfs_mod_incore_sb(mp, field, delta, rsvd)
-#endif
-
-/* dynamic preallocation free space thresholds, 5% down to 1% */
-enum {
- XFS_LOWSP_1_PCNT = 0,
- XFS_LOWSP_2_PCNT,
- XFS_LOWSP_3_PCNT,
- XFS_LOWSP_4_PCNT,
- XFS_LOWSP_5_PCNT,
- XFS_LOWSP_MAX,
-};
-
-typedef struct xfs_mount {
- struct super_block *m_super;
- xfs_tid_t m_tid; /* next unused tid for fs */
- struct xfs_ail *m_ail; /* fs active log item list */
- xfs_sb_t m_sb; /* copy of fs superblock */
- spinlock_t m_sb_lock; /* sb counter lock */
- struct xfs_buf *m_sb_bp; /* buffer for superblock */
- char *m_fsname; /* filesystem name */
- int m_fsname_len; /* strlen of fs name */
- char *m_rtname; /* realtime device name */
- char *m_logname; /* external log device name */
- int m_bsize; /* fs logical block size */
- xfs_agnumber_t m_agfrotor; /* last ag where space found */
- xfs_agnumber_t m_agirotor; /* last ag dir inode alloced */
- spinlock_t m_agirotor_lock;/* .. and lock protecting it */
- xfs_agnumber_t m_maxagi; /* highest inode alloc group */
- uint m_readio_log; /* min read size log bytes */
- uint m_readio_blocks; /* min read size blocks */
- uint m_writeio_log; /* min write size log bytes */
- uint m_writeio_blocks; /* min write size blocks */
- struct xlog *m_log; /* log specific stuff */
- int m_logbufs; /* number of log buffers */
- int m_logbsize; /* size of each log buffer */
- uint m_rsumlevels; /* rt summary levels */
- uint m_rsumsize; /* size of rt summary, bytes */
- struct xfs_inode *m_rbmip; /* pointer to bitmap inode */
- struct xfs_inode *m_rsumip; /* pointer to summary inode */
- struct xfs_inode *m_rootip; /* pointer to root directory */
- struct xfs_quotainfo *m_quotainfo; /* disk quota information */
- xfs_buftarg_t *m_ddev_targp; /* saves taking the address */
- xfs_buftarg_t *m_logdev_targp;/* ptr to log device */
- xfs_buftarg_t *m_rtdev_targp; /* ptr to rt device */
- __uint8_t m_blkbit_log; /* blocklog + NBBY */
- __uint8_t m_blkbb_log; /* blocklog - BBSHIFT */
- __uint8_t m_agno_log; /* log #ag's */
- __uint8_t m_agino_log; /* #bits for agino in inum */
- __uint16_t m_inode_cluster_size;/* min inode buf size */
- uint m_blockmask; /* sb_blocksize-1 */
- uint m_blockwsize; /* sb_blocksize in words */
- uint m_blockwmask; /* blockwsize-1 */
- uint m_alloc_mxr[2]; /* max alloc btree records */
- uint m_alloc_mnr[2]; /* min alloc btree records */
- uint m_bmap_dmxr[2]; /* max bmap btree records */
- uint m_bmap_dmnr[2]; /* min bmap btree records */
- uint m_inobt_mxr[2]; /* max inobt btree records */
- uint m_inobt_mnr[2]; /* min inobt btree records */
- uint m_ag_maxlevels; /* XFS_AG_MAXLEVELS */
- uint m_bm_maxlevels[2]; /* XFS_BM_MAXLEVELS */
- uint m_in_maxlevels; /* max inobt btree levels. */
- struct radix_tree_root m_perag_tree; /* per-ag accounting info */
- spinlock_t m_perag_lock; /* lock for m_perag_tree */
- struct mutex m_growlock; /* growfs mutex */
- int m_fixedfsid[2]; /* unchanged for life of FS */
- uint m_dmevmask; /* DMI events for this FS */
- __uint64_t m_flags; /* global mount flags */
- uint m_dir_node_ents; /* #entries in a dir danode */
- uint m_attr_node_ents; /* #entries in attr danode */
- int m_ialloc_inos; /* inodes in inode allocation */
- int m_ialloc_blks; /* blocks in inode allocation */
- int m_inoalign_mask;/* mask sb_inoalignmt if used */
- uint m_qflags; /* quota status flags */
- xfs_trans_reservations_t m_reservations;/* precomputed res values */
- __uint64_t m_maxicount; /* maximum inode count */
- __uint64_t m_resblks; /* total reserved blocks */
- __uint64_t m_resblks_avail;/* available reserved blocks */
- __uint64_t m_resblks_save; /* reserved blks @ remount,ro */
- int m_dalign; /* stripe unit */
- int m_swidth; /* stripe width */
- int m_sinoalign; /* stripe unit inode alignment */
- int m_attr_magicpct;/* 37% of the blocksize */
- int m_dir_magicpct; /* 37% of the dir blocksize */
- __uint8_t m_sectbb_log; /* sectlog - BBSHIFT */
- const struct xfs_nameops *m_dirnameops; /* vector of dir name ops */
- int m_dirblksize; /* directory block sz--bytes */
- int m_dirblkfsbs; /* directory block sz--fsbs */
- xfs_dablk_t m_dirdatablk; /* blockno of dir data v2 */
- xfs_dablk_t m_dirleafblk; /* blockno of dir non-data v2 */
- xfs_dablk_t m_dirfreeblk; /* blockno of dirfreeindex v2 */
- uint m_chsize; /* size of next field */
- struct xfs_chash *m_chash; /* fs private inode per-cluster
- * hash table */
- atomic_t m_active_trans; /* number trans frozen */
-#ifdef HAVE_PERCPU_SB
- xfs_icsb_cnts_t __percpu *m_sb_cnts; /* per-cpu superblock counters */
- unsigned long m_icsb_counters; /* disabled per-cpu counters */
- struct notifier_block m_icsb_notifier; /* hotplug cpu notifier */
- struct mutex m_icsb_mutex; /* balancer sync lock */
-#endif
- struct xfs_mru_cache *m_filestream; /* per-mount filestream data */
- struct delayed_work m_reclaim_work; /* background inode reclaim */
- struct delayed_work m_eofblocks_work; /* background eof blocks
- trimming */
- __int64_t m_update_flags; /* sb flags we need to update
- on the next remount,rw */
- int64_t m_low_space[XFS_LOWSP_MAX];
- /* low free space thresholds */
-
- struct workqueue_struct *m_data_workqueue;
- struct workqueue_struct *m_unwritten_workqueue;
- struct workqueue_struct *m_cil_workqueue;
- struct workqueue_struct *m_reclaim_workqueue;
- struct workqueue_struct *m_log_workqueue;
- struct workqueue_struct *m_eofblocks_workqueue;
-} xfs_mount_t;
-
-/*
- * Flags for m_flags.
- */
-#define XFS_MOUNT_WSYNC (1ULL << 0) /* for nfs - all metadata ops
- must be synchronous except
- for space allocations */
-#define XFS_MOUNT_WAS_CLEAN (1ULL << 3)
-#define XFS_MOUNT_FS_SHUTDOWN (1ULL << 4) /* atomic stop of all filesystem
- operations, typically for
- disk errors in metadata */
-#define XFS_MOUNT_DISCARD (1ULL << 5) /* discard unused blocks */
-#define XFS_MOUNT_RETERR (1ULL << 6) /* return alignment errors to
- user */
-#define XFS_MOUNT_NOALIGN (1ULL << 7) /* turn off stripe alignment
- allocations */
-#define XFS_MOUNT_ATTR2 (1ULL << 8) /* allow use of attr2 format */
-#define XFS_MOUNT_GRPID (1ULL << 9) /* group-ID assigned from directory */
-#define XFS_MOUNT_NORECOVERY (1ULL << 10) /* no recovery - dirty fs */
-#define XFS_MOUNT_DFLT_IOSIZE (1ULL << 12) /* set default i/o size */
-#define XFS_MOUNT_32BITINODES (1ULL << 14) /* do not create inodes above
- * 32 bits in size */
-#define XFS_MOUNT_SMALL_INUMS (1ULL << 15) /* users wants 32bit inodes */
-#define XFS_MOUNT_NOUUID (1ULL << 16) /* ignore uuid during mount */
-#define XFS_MOUNT_BARRIER (1ULL << 17)
-#define XFS_MOUNT_IKEEP (1ULL << 18) /* keep empty inode clusters*/
-#define XFS_MOUNT_SWALLOC (1ULL << 19) /* turn on stripe width
- * allocation */
-#define XFS_MOUNT_RDONLY (1ULL << 20) /* read-only fs */
-#define XFS_MOUNT_DIRSYNC (1ULL << 21) /* synchronous directory ops */
-#define XFS_MOUNT_COMPAT_IOSIZE (1ULL << 22) /* don't report large preferred
- * I/O size in stat() */
-#define XFS_MOUNT_FILESTREAMS (1ULL << 24) /* enable the filestreams
- allocator */
-#define XFS_MOUNT_NOATTR2 (1ULL << 25) /* disable use of attr2 format */
-
-
-/*
- * Default minimum read and write sizes.
- */
-#define XFS_READIO_LOG_LARGE 16
-#define XFS_WRITEIO_LOG_LARGE 16
-
-/*
- * Max and min values for mount-option defined I/O
- * preallocation sizes.
- */
-#define XFS_MAX_IO_LOG 30 /* 1G */
-#define XFS_MIN_IO_LOG PAGE_SHIFT
-
-/*
- * Synchronous read and write sizes. This should be
- * better for NFSv2 wsync filesystems.
- */
-#define XFS_WSYNC_READIO_LOG 15 /* 32k */
-#define XFS_WSYNC_WRITEIO_LOG 14 /* 16k */
-
-/*
- * Allow large block sizes to be reported to userspace programs if the
- * "largeio" mount option is used.
- *
- * If compatibility mode is specified, simply return the basic unit of caching
- * so that we don't get inefficient read/modify/write I/O from user apps.
- * Otherwise....
- *
- * If the underlying volume is a stripe, then return the stripe width in bytes
- * as the recommended I/O size. It is not a stripe and we've set a default
- * buffered I/O size, return that, otherwise return the compat default.
- */
-static inline unsigned long
-xfs_preferred_iosize(xfs_mount_t *mp)
-{
- if (mp->m_flags & XFS_MOUNT_COMPAT_IOSIZE)
- return PAGE_CACHE_SIZE;
- return (mp->m_swidth ?
- (mp->m_swidth << mp->m_sb.sb_blocklog) :
- ((mp->m_flags & XFS_MOUNT_DFLT_IOSIZE) ?
- (1 << (int)MAX(mp->m_readio_log, mp->m_writeio_log)) :
- PAGE_CACHE_SIZE));
-}
-
-#define XFS_LAST_UNMOUNT_WAS_CLEAN(mp) \
- ((mp)->m_flags & XFS_MOUNT_WAS_CLEAN)
-#define XFS_FORCED_SHUTDOWN(mp) ((mp)->m_flags & XFS_MOUNT_FS_SHUTDOWN)
-void xfs_do_force_shutdown(struct xfs_mount *mp, int flags, char *fname,
- int lnnum);
-#define xfs_force_shutdown(m,f) \
- xfs_do_force_shutdown(m, f, __FILE__, __LINE__)
-
-#define SHUTDOWN_META_IO_ERROR 0x0001 /* write attempt to metadata failed */
-#define SHUTDOWN_LOG_IO_ERROR 0x0002 /* write attempt to the log failed */
-#define SHUTDOWN_FORCE_UMOUNT 0x0004 /* shutdown from a forced unmount */
-#define SHUTDOWN_CORRUPT_INCORE 0x0008 /* corrupt in-memory data structures */
-#define SHUTDOWN_REMOTE_REQ 0x0010 /* shutdown came from remote cell */
-#define SHUTDOWN_DEVICE_REQ 0x0020 /* failed all paths to the device */
-
-/*
- * Flags for xfs_mountfs
- */
-#define XFS_MFSI_QUIET 0x40 /* Be silent if mount errors found */
-
-static inline xfs_agnumber_t
-xfs_daddr_to_agno(struct xfs_mount *mp, xfs_daddr_t d)
-{
- xfs_daddr_t ld = XFS_BB_TO_FSBT(mp, d);
- do_div(ld, mp->m_sb.sb_agblocks);
- return (xfs_agnumber_t) ld;
-}
-
-static inline xfs_agblock_t
-xfs_daddr_to_agbno(struct xfs_mount *mp, xfs_daddr_t d)
-{
- xfs_daddr_t ld = XFS_BB_TO_FSBT(mp, d);
- return (xfs_agblock_t) do_div(ld, mp->m_sb.sb_agblocks);
-}
-
-/*
- * Per-cpu superblock locking functions
- */
-#ifdef HAVE_PERCPU_SB
-static inline void
-xfs_icsb_lock(xfs_mount_t *mp)
-{
- mutex_lock(&mp->m_icsb_mutex);
-}
-
-static inline void
-xfs_icsb_unlock(xfs_mount_t *mp)
-{
- mutex_unlock(&mp->m_icsb_mutex);
-}
-#else
-#define xfs_icsb_lock(mp)
-#define xfs_icsb_unlock(mp)
-#endif
-
-/*
- * This structure is for use by the xfs_mod_incore_sb_batch() routine.
- * xfs_growfs can specify a few fields which are more than int limit
- */
-typedef struct xfs_mod_sb {
- xfs_sb_field_t msb_field; /* Field to modify, see below */
- int64_t msb_delta; /* Change to make to specified field */
-} xfs_mod_sb_t;
-
-extern int xfs_log_sbcount(xfs_mount_t *);
-extern __uint64_t xfs_default_resblks(xfs_mount_t *mp);
-extern int xfs_mountfs(xfs_mount_t *mp);
-
-extern void xfs_unmountfs(xfs_mount_t *);
-extern int xfs_mod_incore_sb(xfs_mount_t *, xfs_sb_field_t, int64_t, int);
-extern int xfs_mod_incore_sb_batch(xfs_mount_t *, xfs_mod_sb_t *,
- uint, int);
-extern int xfs_mount_log_sb(xfs_mount_t *, __int64_t);
-extern struct xfs_buf *xfs_getsb(xfs_mount_t *, int);
-extern int xfs_readsb(xfs_mount_t *, int);
-extern void xfs_freesb(xfs_mount_t *);
-extern int xfs_fs_writable(xfs_mount_t *);
-extern int xfs_sb_validate_fsb_count(struct xfs_sb *, __uint64_t);
-
-extern int xfs_dev_is_read_only(struct xfs_mount *, char *);
-
-extern void xfs_set_low_space_thresholds(struct xfs_mount *);
-
-#endif /* __KERNEL__ */
-
-#endif /* __XFS_MOUNT_H__ */