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xfs: remove the never fully implemented UUID fork format

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Remove the dead code dealing with the UUID fork format that was never
implemented in Linux (and neither in IRIX as far as I know).

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig 2017-10-19 11:07:09 -07:00 committed by Darrick J. Wong
parent e8e0e170e2
commit 42b67dc6ff
9 changed files with 19 additions and 59 deletions
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6
fs/xfs/libxfs/xfs_attr_leaf.c
View File

@ -397,13 +397,9 @@ xfs_attr_shortform_bytesfit(xfs_inode_t *dp, int bytes)
/* rounded down */
offset = (XFS_LITINO(mp, dp->i_d.di_version) - bytes) >> 3;
switch (dp->i_d.di_format) {
case XFS_DINODE_FMT_DEV:
if (dp->i_d.di_format == XFS_DINODE_FMT_DEV) {
minforkoff = roundup(sizeof(xfs_dev_t), 8) >> 3;
return (offset >= minforkoff) ? minforkoff : 0;
case XFS_DINODE_FMT_UUID:
minforkoff = roundup(sizeof(uuid_t), 8) >> 3;
return (offset >= minforkoff) ? minforkoff : 0;
}
/*

4
fs/xfs/libxfs/xfs_bmap.c
View File

@ -231,7 +231,6 @@ xfs_bmap_forkoff_reset(
{
if (whichfork == XFS_ATTR_FORK &&
ip->i_d.di_format != XFS_DINODE_FMT_DEV &&
ip->i_d.di_format != XFS_DINODE_FMT_UUID &&
ip->i_d.di_format != XFS_DINODE_FMT_BTREE) {
uint dfl_forkoff = xfs_default_attroffset(ip) >> 3;
@ -1086,9 +1085,6 @@ xfs_bmap_add_attrfork(
case XFS_DINODE_FMT_DEV:
ip->i_d.di_forkoff = roundup(sizeof(xfs_dev_t), 8) >> 3;
break;
case XFS_DINODE_FMT_UUID:
ip->i_d.di_forkoff = roundup(sizeof(uuid_t), 8) >> 3;
break;
case XFS_DINODE_FMT_LOCAL:
case XFS_DINODE_FMT_EXTENTS:
case XFS_DINODE_FMT_BTREE:

2
fs/xfs/libxfs/xfs_format.h
View File

@ -946,7 +946,7 @@ typedef enum xfs_dinode_fmt {
XFS_DINODE_FMT_LOCAL, /* bulk data */
XFS_DINODE_FMT_EXTENTS, /* struct xfs_bmbt_rec */
XFS_DINODE_FMT_BTREE, /* struct xfs_bmdr_block */
XFS_DINODE_FMT_UUID /* uuid_t */
XFS_DINODE_FMT_UUID /* added long ago, but never used */
} xfs_dinode_fmt_t;
/*

9
fs/xfs/libxfs/xfs_inode_fork.c
View File

@ -902,15 +902,6 @@ xfs_iflush_fork(
}
break;
case XFS_DINODE_FMT_UUID:
if (iip->ili_fields & XFS_ILOG_UUID) {
ASSERT(whichfork == XFS_DATA_FORK);
memcpy(XFS_DFORK_DPTR(dip),
&ip->i_df.if_u2.if_uuid,
sizeof(uuid_t));
}
break;
default:
ASSERT(0);
break;

1
fs/xfs/libxfs/xfs_inode_fork.h
View File

@ -70,7 +70,6 @@ typedef struct xfs_ifork {
char if_inline_data[XFS_INLINE_DATA];
/* very small file data */
xfs_dev_t if_rdev; /* dev number if special */
uuid_t if_uuid; /* mount point value */
} if_u2;
} xfs_ifork_t;

20
fs/xfs/libxfs/xfs_log_format.h
View File

@ -274,7 +274,7 @@ typedef struct xfs_inode_log_format {
uint64_t ilf_ino; /* inode number */
union {
uint32_t ilfu_rdev; /* rdev value for dev inode*/
uuid_t ilfu_uuid; /* mount point value */
u8 __pad[16]; /* unused */
} ilf_u;
int64_t ilf_blkno; /* blkno of inode buffer */
int32_t ilf_len; /* len of inode buffer */
@ -295,7 +295,7 @@ struct xfs_inode_log_format_32 {
uint64_t ilf_ino; /* inode number */
union {
uint32_t ilfu_rdev; /* rdev value for dev inode*/
uuid_t ilfu_uuid; /* mount point value */
u8 __pad[16]; /* unused */
} ilf_u;
int64_t ilf_blkno; /* blkno of inode buffer */
int32_t ilf_len; /* len of inode buffer */
@ -311,7 +311,7 @@ struct xfs_inode_log_format_32 {
#define XFS_ILOG_DEXT 0x004 /* log i_df.if_extents */
#define XFS_ILOG_DBROOT 0x008 /* log i_df.i_broot */
#define XFS_ILOG_DEV 0x010 /* log the dev field */
#define XFS_ILOG_UUID 0x020 /* log the uuid field */
#define XFS_ILOG_UUID 0x020 /* added long ago, but never used */
#define XFS_ILOG_ADATA 0x040 /* log i_af.if_data */
#define XFS_ILOG_AEXT 0x080 /* log i_af.if_extents */
#define XFS_ILOG_ABROOT 0x100 /* log i_af.i_broot */
@ -329,9 +329,9 @@ struct xfs_inode_log_format_32 {
#define XFS_ILOG_NONCORE (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \
XFS_ILOG_DBROOT | XFS_ILOG_DEV | \
XFS_ILOG_UUID | XFS_ILOG_ADATA | \
XFS_ILOG_AEXT | XFS_ILOG_ABROOT | \
XFS_ILOG_DOWNER | XFS_ILOG_AOWNER)
XFS_ILOG_ADATA | XFS_ILOG_AEXT | \
XFS_ILOG_ABROOT | XFS_ILOG_DOWNER | \
XFS_ILOG_AOWNER)
#define XFS_ILOG_DFORK (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \
XFS_ILOG_DBROOT)
@ -341,10 +341,10 @@ struct xfs_inode_log_format_32 {
#define XFS_ILOG_ALL (XFS_ILOG_CORE | XFS_ILOG_DDATA | \
XFS_ILOG_DEXT | XFS_ILOG_DBROOT | \
XFS_ILOG_DEV | XFS_ILOG_UUID | \
XFS_ILOG_ADATA | XFS_ILOG_AEXT | \
XFS_ILOG_ABROOT | XFS_ILOG_TIMESTAMP | \
XFS_ILOG_DOWNER | XFS_ILOG_AOWNER)
XFS_ILOG_DEV | XFS_ILOG_ADATA | \
XFS_ILOG_AEXT | XFS_ILOG_ABROOT | \
XFS_ILOG_TIMESTAMP | XFS_ILOG_DOWNER | \
XFS_ILOG_AOWNER)
static inline int xfs_ilog_fbroot(int w)
{

25
fs/xfs/xfs_inode_item.c
View File

@ -72,7 +72,6 @@ xfs_inode_item_data_fork_size(
break;
case XFS_DINODE_FMT_DEV:
case XFS_DINODE_FMT_UUID:
break;
default:
ASSERT(0);
@ -156,8 +155,7 @@ xfs_inode_item_format_data_fork(
switch (ip->i_d.di_format) {
case XFS_DINODE_FMT_EXTENTS:
iip->ili_fields &=
~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT |
XFS_ILOG_DEV | XFS_ILOG_UUID);
~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT | XFS_ILOG_DEV);
if ((iip->ili_fields & XFS_ILOG_DEXT) &&
ip->i_d.di_nextents > 0 &&
@ -181,8 +179,7 @@ xfs_inode_item_format_data_fork(
break;
case XFS_DINODE_FMT_BTREE:
iip->ili_fields &=
~(XFS_ILOG_DDATA | XFS_ILOG_DEXT |
XFS_ILOG_DEV | XFS_ILOG_UUID);
~(XFS_ILOG_DDATA | XFS_ILOG_DEXT | XFS_ILOG_DEV);
if ((iip->ili_fields & XFS_ILOG_DBROOT) &&
ip->i_df.if_broot_bytes > 0) {
@ -200,8 +197,7 @@ xfs_inode_item_format_data_fork(
break;
case XFS_DINODE_FMT_LOCAL:
iip->ili_fields &=
~(XFS_ILOG_DEXT | XFS_ILOG_DBROOT |
XFS_ILOG_DEV | XFS_ILOG_UUID);
~(XFS_ILOG_DEXT | XFS_ILOG_DBROOT | XFS_ILOG_DEV);
if ((iip->ili_fields & XFS_ILOG_DDATA) &&
ip->i_df.if_bytes > 0) {
/*
@ -224,18 +220,10 @@ xfs_inode_item_format_data_fork(
break;
case XFS_DINODE_FMT_DEV:
iip->ili_fields &=
~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT |
XFS_ILOG_DEXT | XFS_ILOG_UUID);
~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT | XFS_ILOG_DEXT);
if (iip->ili_fields & XFS_ILOG_DEV)
ilf->ilf_u.ilfu_rdev = ip->i_df.if_u2.if_rdev;
break;
case XFS_DINODE_FMT_UUID:
iip->ili_fields &=
~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT |
XFS_ILOG_DEXT | XFS_ILOG_DEV);
if (iip->ili_fields & XFS_ILOG_UUID)
ilf->ilf_u.ilfu_uuid = ip->i_df.if_u2.if_uuid;
break;
default:
ASSERT(0);
break;
@ -441,7 +429,7 @@ xfs_inode_item_format(
ilf->ilf_dsize = 0;
ilf->ilf_asize = 0;
ilf->ilf_pad = 0;
uuid_copy(&ilf->ilf_u.ilfu_uuid, &uuid_null);
memset(&ilf->ilf_u, 0, sizeof(ilf->ilf_u));
xlog_finish_iovec(lv, vecp, sizeof(*ilf));
@ -892,8 +880,7 @@ xfs_inode_item_format_convert(
in_f->ilf_asize = in_f32->ilf_asize;
in_f->ilf_dsize = in_f32->ilf_dsize;
in_f->ilf_ino = in_f32->ilf_ino;
/* copy biggest field of ilf_u */
uuid_copy(&in_f->ilf_u.ilfu_uuid, &in_f32->ilf_u.ilfu_uuid);
memcpy(&in_f->ilf_u, &in_f32->ilf_u, sizeof(in_f->ilf_u));
in_f->ilf_blkno = in_f32->ilf_blkno;
in_f->ilf_len = in_f32->ilf_len;
in_f->ilf_boffset = in_f32->ilf_boffset;

1
fs/xfs/xfs_itable.c
View File

@ -114,7 +114,6 @@ xfs_bulkstat_one_int(
buf->bs_blocks = 0;
break;
case XFS_DINODE_FMT_LOCAL:
case XFS_DINODE_FMT_UUID:
buf->bs_rdev = 0;
buf->bs_blksize = mp->m_sb.sb_blocksize;
buf->bs_blocks = 0;

10
fs/xfs/xfs_log_recover.c
View File

@ -3163,16 +3163,8 @@ xlog_recover_inode_pass2(
}
fields = in_f->ilf_fields;
switch (fields & (XFS_ILOG_DEV | XFS_ILOG_UUID)) {
case XFS_ILOG_DEV:
if (fields & XFS_ILOG_DEV)
xfs_dinode_put_rdev(dip, in_f->ilf_u.ilfu_rdev);
break;
case XFS_ILOG_UUID:
memcpy(XFS_DFORK_DPTR(dip),
&in_f->ilf_u.ilfu_uuid,
sizeof(uuid_t));
break;
}
if (in_f->ilf_size == 2)
goto out_owner_change;