[PATCH 20/21] block: move the various x86 Unix label formats out of genhd.h

Christoph Hellwig
2020-03-12T15:20:41Z

All these are just used in block/partitions/msdos.c, so move them out of the
genhd.h driver included by every driver.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
block/partitions/msdos.c | 125 ++++++++++++++++++++++++++++++++++
include/linux/genhd.h | 143 ---------------------------------------
2 files changed, 125 insertions(+), 143 deletions(-)

diff --git a/block/partitions/msdos.c b/block/partitions/msdos.c
index e44e2f0a02cc..8f2fcc080264 100644
--- a/block/partitions/msdos.c
+++ b/block/partitions/msdos.c
@@ -18,6 +18,12 @@
* Check partition table on IDE disks for common CHS translations
*
* Re-organised Feb 1998 Russell King
+ *
+ * BSD disklabel support by Yossi Gottlieb <yogo@math.tau.ac.il>
+ * updated by Marc Espie <Marc.Espie@openbsd.org>
+ *
+ * Unixware slices support by Andrzej Krzysztofowicz <ankry@mif.pg.gda.pl>
+ * and Krzysztof G. Baranowski <kgb@knm.org.pl>
*/
#include <linux/msdos_fs.h>
#include <linux/msdos_partition.h>
@@ -215,6 +221,30 @@ static void parse_extended(struct parsed_partitions *state,
put_dev_sector(sect);
}

+#define SOLARIS_X86_NUMSLICE 16
+#define SOLARIS_X86_VTOC_SANE (0x600DDEEEUL)
+
+struct solaris_x86_slice {
+ __le16 s_tag; /* ID tag of partition */
+ __le16 s_flag; /* permission flags */
+ __le32 s_start; /* start sector no of partition */
+ __le32 s_size; /* # of blocks in partition */
+};
+
+struct solaris_x86_vtoc {
+ unsigned int v_bootinfo[3]; /* info needed by mboot */
+ __le32 v_sanity; /* to verify vtoc sanity */
+ __le32 v_version; /* layout version */
+ char v_volume[8]; /* volume name */
+ __le16 v_sectorsz; /* sector size in bytes */
+ __le16 v_nparts; /* number of partitions */
+ unsigned int v_reserved[10]; /* free space */
+ struct solaris_x86_slice
+ v_slice[SOLARIS_X86_NUMSLICE]; /* slice headers */
+ unsigned int timestamp[SOLARIS_X86_NUMSLICE]; /* timestamp */
+ char v_asciilabel[128]; /* for compatibility */
+};
+
/* james@bpgc.com: Solaris has a nasty indicator: 0x82 which also
indicates linux swap. Be careful before believing this is Solaris. */

@@ -270,6 +300,54 @@ static void parse_solaris_x86(struct parsed_partitions *state,
#endif
}

+/* check against BSD src/sys/sys/disklabel.h for consistency */
+#define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */
+#define BSD_MAXPARTITIONS 16
+#define OPENBSD_MAXPARTITIONS 16
+#define BSD_FS_UNUSED 0 /* disklabel unused partition entry ID */
+struct bsd_disklabel {
+ __le32 d_magic; /* the magic number */
+ __s16 d_type; /* drive type */
+ __s16 d_subtype; /* controller/d_type specific */
+ char d_typename[16]; /* type name, e.g. "eagle" */
+ char d_packname[16]; /* pack identifier */
+ __u32 d_secsize; /* # of bytes per sector */
+ __u32 d_nsectors; /* # of data sectors per track */
+ __u32 d_ntracks; /* # of tracks per cylinder */
+ __u32 d_ncylinders; /* # of data cylinders per unit */
+ __u32 d_secpercyl; /* # of data sectors per cylinder */
+ __u32 d_secperunit; /* # of data sectors per unit */
+ __u16 d_sparespertrack; /* # of spare sectors per track */
+ __u16 d_sparespercyl; /* # of spare sectors per cylinder */
+ __u32 d_acylinders; /* # of alt. cylinders per unit */
+ __u16 d_rpm; /* rotational speed */
+ __u16 d_interleave; /* hardware sector interleave */
+ __u16 d_trackskew; /* sector 0 skew, per track */
+ __u16 d_cylskew; /* sector 0 skew, per cylinder */
+ __u32 d_headswitch; /* head switch time, usec */
+ __u32 d_trkseek; /* track-to-track seek, usec */
+ __u32 d_flags; /* generic flags */
+#define NDDATA 5
+ __u32 d_drivedata[NDDATA]; /* drive-type specific information */
+#define NSPARE 5
+ __u32 d_spare[NSPARE]; /* reserved for future use */
+ __le32 d_magic2; /* the magic number (again) */
+ __le16 d_checksum; /* xor of data incl. partitions */
+
+ /* filesystem and partition information: */
+ __le16 d_npartitions; /* number of partitions in following */
+ __le32 d_bbsize; /* size of boot area at sn0, bytes */
+ __le32 d_sbsize; /* max size of fs superblock, bytes */
+ struct bsd_partition { /* the partition table */
+ __le32 p_size; /* number of sectors in partition */
+ __le32 p_offset; /* starting sector */
+ __le32 p_fsize; /* filesystem basic fragment size */
+ __u8 p_fstype; /* filesystem type, see below */
+ __u8 p_frag; /* filesystem fragments per block */
+ __le16 p_cpg; /* filesystem cylinders per group */
+ } d_partitions[BSD_MAXPARTITIONS]; /* actually may be more */
+};
+
#if defined(CONFIG_BSD_DISKLABEL)
/*
* Create devices for BSD partitions listed in a disklabel, under a
@@ -354,6 +432,51 @@ static void parse_openbsd(struct parsed_partitions *state,
#endif
}

+#define UNIXWARE_DISKMAGIC (0xCA5E600DUL) /* The disk magic number */
+#define UNIXWARE_DISKMAGIC2 (0x600DDEEEUL) /* The slice table magic nr */
+#define UNIXWARE_NUMSLICE 16
+#define UNIXWARE_FS_UNUSED 0 /* Unused slice entry ID */
+
+struct unixware_slice {
+ __le16 s_label; /* label */
+ __le16 s_flags; /* permission flags */
+ __le32 start_sect; /* starting sector */
+ __le32 nr_sects; /* number of sectors in slice */
+};
+
+struct unixware_disklabel {
+ __le32 d_type; /* drive type */
+ __le32 d_magic; /* the magic number */
+ __le32 d_version; /* version number */
+ char d_serial[12]; /* serial number of the device */
+ __le32 d_ncylinders; /* # of data cylinders per device */
+ __le32 d_ntracks; /* # of tracks per cylinder */
+ __le32 d_nsectors; /* # of data sectors per track */
+ __le32 d_secsize; /* # of bytes per sector */
+ __le32 d_part_start; /* # of first sector of this partition*/
+ __le32 d_unknown1[12]; /* ? */
+ __le32 d_alt_tbl; /* byte offset of alternate table */
+ __le32 d_alt_len; /* byte length of alternate table */
+ __le32 d_phys_cyl; /* # of physical cylinders per device */
+ __le32 d_phys_trk; /* # of physical tracks per cylinder */
+ __le32 d_phys_sec; /* # of physical sectors per track */
+ __le32 d_phys_bytes; /* # of physical bytes per sector */
+ __le32 d_unknown2; /* ? */
+ __le32 d_unknown3; /* ? */
+ __le32 d_pad[8]; /* pad */
+
+ struct unixware_vtoc {
+ __le32 v_magic; /* the magic number */
+ __le32 v_version; /* version number */
+ char v_name[8]; /* volume name */
+ __le16 v_nslices; /* # of slices */
+ __le16 v_unknown1; /* ? */
+ __le32 v_reserved[10]; /* reserved */
+ struct unixware_slice
+ v_slice[UNIXWARE_NUMSLICE]; /* slice headers */
+ } vtoc;
+}; /* 408 */
+
/*
* Create devices for Unixware partitions listed in a disklabel, under a
* dos-like partition. See parse_extended() for more information.
@@ -397,6 +520,8 @@ static void parse_unixware(struct parsed_partitions *state,
#endif
}

+#define MINIX_NR_SUBPARTITIONS 4
+
/*
* Minix 2.0.0/2.0.2 subpartition support.
* Anand Krishnamurthy <anandk@wiproge.med.ge.com>
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index df809e91ad99..21178f7b379c 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -424,149 +424,6 @@ static inline void set_capacity(struct gendisk *disk, sector_t size)
disk->part0.nr_sects = size;
}

-#ifdef CONFIG_SOLARIS_X86_PARTITION
-
-#define SOLARIS_X86_NUMSLICE 16
-#define SOLARIS_X86_VTOC_SANE (0x600DDEEEUL)
-
-struct solaris_x86_slice {
- __le16 s_tag; /* ID tag of partition */
- __le16 s_flag; /* permission flags */
- __le32 s_start; /* start sector no of partition */
- __le32 s_size; /* # of blocks in partition */
-};
-
-struct solaris_x86_vtoc {
- unsigned int v_bootinfo[3]; /* info needed by mboot (unsupported) */
- __le32 v_sanity; /* to verify vtoc sanity */
- __le32 v_version; /* layout version */
- char v_volume[8]; /* volume name */
- __le16 v_sectorsz; /* sector size in bytes */
- __le16 v_nparts; /* number of partitions */
- unsigned int v_reserved[10]; /* free space */
- struct solaris_x86_slice
- v_slice[SOLARIS_X86_NUMSLICE]; /* slice headers */
- unsigned int timestamp[SOLARIS_X86_NUMSLICE]; /* timestamp (unsupported) */
- char v_asciilabel[128]; /* for compatibility */
-};
-
-#endif /* CONFIG_SOLARIS_X86_PARTITION */
-
-#ifdef CONFIG_BSD_DISKLABEL
-/*
- * BSD disklabel support by Yossi Gottlieb <yogo@math.tau.ac.il>
- * updated by Marc Espie <Marc.Espie@openbsd.org>
- */
-
-/* check against BSD src/sys/sys/disklabel.h for consistency */
-
-#define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */
-#define BSD_MAXPARTITIONS 16
-#define OPENBSD_MAXPARTITIONS 16
-#define BSD_FS_UNUSED 0 /* disklabel unused partition entry ID */
-struct bsd_disklabel {
- __le32 d_magic; /* the magic number */
- __s16 d_type; /* drive type */
- __s16 d_subtype; /* controller/d_type specific */
- char d_typename[16]; /* type name, e.g. "eagle" */
- char d_packname[16]; /* pack identifier */
- __u32 d_secsize; /* # of bytes per sector */
- __u32 d_nsectors; /* # of data sectors per track */
- __u32 d_ntracks; /* # of tracks per cylinder */
- __u32 d_ncylinders; /* # of data cylinders per unit */
- __u32 d_secpercyl; /* # of data sectors per cylinder */
- __u32 d_secperunit; /* # of data sectors per unit */
- __u16 d_sparespertrack; /* # of spare sectors per track */
- __u16 d_sparespercyl; /* # of spare sectors per cylinder */
- __u32 d_acylinders; /* # of alt. cylinders per unit */
- __u16 d_rpm; /* rotational speed */
- __u16 d_interleave; /* hardware sector interleave */
- __u16 d_trackskew; /* sector 0 skew, per track */
- __u16 d_cylskew; /* sector 0 skew, per cylinder */
- __u32 d_headswitch; /* head switch time, usec */
- __u32 d_trkseek; /* track-to-track seek, usec */
- __u32 d_flags; /* generic flags */
-#define NDDATA 5
- __u32 d_drivedata[NDDATA]; /* drive-type specific information */
-#define NSPARE 5
- __u32 d_spare[NSPARE]; /* reserved for future use */
- __le32 d_magic2; /* the magic number (again) */
- __le16 d_checksum; /* xor of data incl. partitions */
-
- /* filesystem and partition information: */
- __le16 d_npartitions; /* number of partitions in following */
- __le32 d_bbsize; /* size of boot area at sn0, bytes */
- __le32 d_sbsize; /* max size of fs superblock, bytes */
- struct bsd_partition { /* the partition table */
- __le32 p_size; /* number of sectors in partition */
- __le32 p_offset; /* starting sector */
- __le32 p_fsize; /* filesystem basic fragment size */
- __u8 p_fstype; /* filesystem type, see below */
- __u8 p_frag; /* filesystem fragments per block */
- __le16 p_cpg; /* filesystem cylinders per group */
- } d_partitions[BSD_MAXPARTITIONS]; /* actually may be more */
-};
-
-#endif /* CONFIG_BSD_DISKLABEL */
-
-#ifdef CONFIG_UNIXWARE_DISKLABEL
-/*
- * Unixware slices support by Andrzej Krzysztofowicz <ankry@mif.pg.gda.pl>
- * and Krzysztof G. Baranowski <kgb@knm.org.pl>
- */
-
-#define UNIXWARE_DISKMAGIC (0xCA5E600DUL) /* The disk magic number */
-#define UNIXWARE_DISKMAGIC2 (0x600DDEEEUL) /* The slice table magic nr */
-#define UNIXWARE_NUMSLICE 16
-#define UNIXWARE_FS_UNUSED 0 /* Unused slice entry ID */
-
-struct unixware_slice {
- __le16 s_label; /* label */
- __le16 s_flags; /* permission flags */
- __le32 start_sect; /* starting sector */
- __le32 nr_sects; /* number of sectors in slice */
-};
-
-struct unixware_disklabel {
- __le32 d_type; /* drive type */
- __le32 d_magic; /* the magic number */
- __le32 d_version; /* version number */
- char d_serial[12]; /* serial number of the device */
- __le32 d_ncylinders; /* # of data cylinders per device */
- __le32 d_ntracks; /* # of tracks per cylinder */
- __le32 d_nsectors; /* # of data sectors per track */
- __le32 d_secsize; /* # of bytes per sector */
- __le32 d_part_start; /* # of first sector of this partition */
- __le32 d_unknown1[12]; /* ? */
- __le32 d_alt_tbl; /* byte offset of alternate table */
- __le32 d_alt_len; /* byte length of alternate table */
- __le32 d_phys_cyl; /* # of physical cylinders per device */
- __le32 d_phys_trk; /* # of physical tracks per cylinder */
- __le32 d_phys_sec; /* # of physical sectors per track */
- __le32 d_phys_bytes; /* # of physical bytes per sector */
- __le32 d_unknown2; /* ? */
- __le32 d_unknown3; /* ? */
- __le32 d_pad[8]; /* pad */
-
- struct unixware_vtoc {
- __le32 v_magic; /* the magic number */
- __le32 v_version; /* version number */
- char v_name[8]; /* volume name */
- __le16 v_nslices; /* # of slices */
- __le16 v_unknown1; /* ? */
- __le32 v_reserved[10]; /* reserved */
- struct unixware_slice
- v_slice[UNIXWARE_NUMSLICE]; /* slice headers */
- } vtoc;
-
-}; /* 408 */
-
-#endif /* CONFIG_UNIXWARE_DISKLABEL */
-
-#ifdef CONFIG_MINIX_SUBPARTITION
-# define MINIX_NR_SUBPARTITIONS 4
-#endif /* CONFIG_MINIX_SUBPARTITION */
-
#define ADDPART_FLAG_NONE 0
#define ADDPART_FLAG_RAID 1
#define ADDPART_FLAG_WHOLEDISK 2
--
2.24.1