xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

xfs: m_maxioffset is redundant

Browse Source 
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>
This commit is contained in:
Dave Chinner
2012-06-08 15:44:53 +10:00
committed by Ben Myers
parent 0f2cf9d3d9
commit d2c2819117
4 changed files with 9 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
fs/xfs/xfs_aops.c
View File

@@ -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);