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xfs: simplify di_flags2 inheritance in xfs_ialloc

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di_flags2 is initialized to zero for v4 and earlier file systems.  This
means di_flags2 can only be non-zero for a v5 file systems, in which
case both the parent and child inodes can store the field.  Remove the
extra di_version check, and also remove the rather pointless local
di_flags2 variable while at it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Chandan Rajendra <chandanrlinux@gmail.com>
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 2020-03-18 08:15:10 -07:00 committed by Darrick J. Wong
parent e9e2eae89d
commit b3d1d37544
1 changed files with 3 additions and 10 deletions
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13
fs/xfs/xfs_inode.c
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@ -907,20 +907,13 @@ xfs_ialloc(
ip->i_d.di_flags |= di_flags;
}
if (pip &&
(pip->i_d.di_flags2 & XFS_DIFLAG2_ANY) &&
pip->i_d.di_version == 3 &&
ip->i_d.di_version == 3) {
uint64_t di_flags2 = 0;
if (pip && (pip->i_d.di_flags2 & XFS_DIFLAG2_ANY)) {
if (pip->i_d.di_flags2 & XFS_DIFLAG2_COWEXTSIZE) {
di_flags2 |= XFS_DIFLAG2_COWEXTSIZE;
ip->i_d.di_flags2 |= XFS_DIFLAG2_COWEXTSIZE;
ip->i_d.di_cowextsize = pip->i_d.di_cowextsize;
}
if (pip->i_d.di_flags2 & XFS_DIFLAG2_DAX)
di_flags2 |= XFS_DIFLAG2_DAX;
ip->i_d.di_flags2 |= di_flags2;
ip->i_d.di_flags2 |= XFS_DIFLAG2_DAX;
}
/* FALLTHROUGH */
case S_IFLNK: