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| author | Dave Chinner <dchinner@redhat.com> | 2012-06-08 15:44:53 +1000 |
|---|---|---|
| committer | Ben Myers <bpm@sgi.com> | 2012-06-14 12:28:22 -0500 |
| commit | d2c2819117176e139dc761873c664aaa770c79c9 (patch) | |
| tree | 03c64c1d3f21f8628ca313b276ce327a3c012549 /fs | |
| parent | 0f2cf9d3d917b269645902506adaa4ff92b5e506 (diff) | |
| download | kernel-common-d2c2819117176e139dc761873c664aaa770c79c9.tar.gz kernel-common-d2c2819117176e139dc761873c664aaa770c79c9.tar.bz2 kernel-common-d2c2819117176e139dc761873c664aaa770c79c9.zip | |
xfs: m_maxioffset is redundant
The m_maxioffset field in the struct xfs_mount contains the same
value as the superblock s_maxbytes field. There is no need to carry
two copies of this limit around, so use the VFS superblock version.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/xfs/xfs_aops.c | 12 | ||||
| -rw-r--r-- | fs/xfs/xfs_iomap.c | 4 | ||||
| -rw-r--r-- | fs/xfs/xfs_mount.c | 2 | ||||
| -rw-r--r-- | fs/xfs/xfs_mount.h | 3 |
4 files changed, 9 insertions, 12 deletions
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 8dad722c0041..84e372596d56 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -323,10 +323,10 @@ xfs_map_blocks( ASSERT(ip->i_d.di_format != XFS_DINODE_FMT_BTREE || (ip->i_df.if_flags & XFS_IFEXTENTS)); - ASSERT(offset <= mp->m_maxioffset); + ASSERT(offset <= mp->m_super->s_maxbytes); - if (offset + count > mp->m_maxioffset) - count = mp->m_maxioffset - offset; + if (offset + count > mp->m_super->s_maxbytes) + count = mp->m_super->s_maxbytes - offset; end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + count); offset_fsb = XFS_B_TO_FSBT(mp, offset); error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb, @@ -1162,9 +1162,9 @@ __xfs_get_blocks( lockmode = xfs_ilock_map_shared(ip); } - ASSERT(offset <= mp->m_maxioffset); - if (offset + size > mp->m_maxioffset) - size = mp->m_maxioffset - offset; + ASSERT(offset <= mp->m_super->s_maxbytes); + if (offset + size > mp->m_super->s_maxbytes) + size = mp->m_super->s_maxbytes - offset; end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + size); offset_fsb = XFS_B_TO_FSBT(mp, offset); diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index aadfce6681ee..4590cd1da432 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -416,8 +416,8 @@ retry: * Make sure preallocation does not create extents beyond the range we * actually support in this filesystem. */ - if (last_fsb > XFS_B_TO_FSB(mp, mp->m_maxioffset)) - last_fsb = XFS_B_TO_FSB(mp, mp->m_maxioffset); + if (last_fsb > XFS_B_TO_FSB(mp, mp->m_super->s_maxbytes)) + last_fsb = XFS_B_TO_FSB(mp, mp->m_super->s_maxbytes); ASSERT(last_fsb > offset_fsb); diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 536021fb3d4e..9536fd190191 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -1200,8 +1200,6 @@ xfs_mountfs( xfs_set_maxicount(mp); - mp->m_maxioffset = xfs_max_file_offset(sbp->sb_blocklog); - error = xfs_uuid_mount(mp); if (error) goto out; diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 8b89c5ac72d9..47c6b3b3eb9c 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -176,7 +176,6 @@ typedef struct xfs_mount { 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_maxioffset; /* maximum inode offset */ __uint64_t m_resblks; /* total reserved blocks */ __uint64_t m_resblks_avail;/* available reserved blocks */ __uint64_t m_resblks_save; /* reserved blks @ remount,ro */ @@ -297,7 +296,7 @@ xfs_preferred_iosize(xfs_mount_t *mp) PAGE_CACHE_SIZE)); } -#define XFS_MAXIOFFSET(mp) ((mp)->m_maxioffset) +#define XFS_MAXIOFFSET(mp) ((mp)->m_super->s_maxbytes) #define XFS_LAST_UNMOUNT_WAS_CLEAN(mp) \ ((mp)->m_flags & XFS_MOUNT_WAS_CLEAN) |