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authorChandan Rajendra2017-03-02 15:06:33 -0800
committerDarrick J. Wong2017-03-07 20:10:50 -0800
commitd5825712ee98d68a2c17bc89dad2c30276894cba (patch)
treec1cf536ea150302584ba88f8b6fa8aa76585770c /fs/xfs
parent787eb485509f9d58962bd8b4dbc6a5ac6e2034fe (diff)
xfs: Use xfs_icluster_size_fsb() to calculate inode alignment mask
When block size is larger than inode cluster size, the call to XFS_B_TO_FSBT(mp, mp->m_inode_cluster_size) returns 0. Also, mkfs.xfs would have set xfs_sb->sb_inoalignmt to 0. Hence in xfs_set_inoalignment(), xfs_mount->m_inoalign_mask gets initialized to -1 instead of 0. However, xfs_mount->m_sinoalign would get correctly intialized to 0 because for every positive value of xfs_mount->m_dalign, the condition "!(mp->m_dalign & mp->m_inoalign_mask)" would evaluate to false. Also, xfs_imap() worked fine even with xfs_mount->m_inoalign_mask having -1 as the value because blks_per_cluster variable would have the value 1 and hence we would never have a need to use xfs_mount->m_inoalign_mask to compute the inode chunk's agbno and offset within the chunk. Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/xfs_mount.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 450bde68bb75..688ebff1f663 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -513,8 +513,7 @@ STATIC void
xfs_set_inoalignment(xfs_mount_t *mp)
{
if (xfs_sb_version_hasalign(&mp->m_sb) &&
- mp->m_sb.sb_inoalignmt >=
- XFS_B_TO_FSBT(mp, mp->m_inode_cluster_size))
+ mp->m_sb.sb_inoalignmt >= xfs_icluster_size_fsb(mp))
mp->m_inoalign_mask = mp->m_sb.sb_inoalignmt - 1;
else
mp->m_inoalign_mask = 0;