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| author | Christoph Hellwig <hch@infradead.org> | 2008-04-22 17:34:18 +1000 |
|---|---|---|
| committer | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2008-04-29 15:54:34 +1000 |
| commit | 82dab941a192d081dd0b7cde3ed32603372d5acc (patch) | |
| tree | 26ef7725199473cdb5c0ed94378b0bbbc6060624 | |
| parent | 1ac74e01df959e3e91baded7c83399372af945a2 (diff) | |
| download | kernel-common-82dab941a192d081dd0b7cde3ed32603372d5acc.tar.gz kernel-common-82dab941a192d081dd0b7cde3ed32603372d5acc.tar.bz2 kernel-common-82dab941a192d081dd0b7cde3ed32603372d5acc.zip | |
[XFS] kill parent == child checks in xfs_remove and xfs_rmdir
VFS guaranteed these can't happen.
SGI-PV: 976035
SGI-Modid: xfs-linux-melb:xfs-kern:30911a
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
| -rw-r--r-- | fs/xfs/xfs_vnodeops.c | 25 |
1 files changed, 6 insertions, 19 deletions
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 308dfff76ae2..2ebfc60097d1 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -2180,7 +2180,7 @@ xfs_remove( xfs_itrace_ref(ip); error = XFS_QM_DQATTACH(mp, dp, 0); - if (!error && dp != ip) + if (!error) error = XFS_QM_DQATTACH(mp, ip, 0); if (error) { REMOVE_DEBUG_TRACE(__LINE__); @@ -2228,15 +2228,9 @@ xfs_remove( * inodes locked. */ xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL); - if (dp != ip) { - /* - * Increment vnode ref count only in this case since - * there's an extra vnode reference in the case where - * dp == ip. - */ - IHOLD(dp); - xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); - } + + IHOLD(dp); + xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); /* * Entry must exist since we did a lookup in xfs_lock_dir_and_entry. @@ -2747,7 +2741,7 @@ xfs_rmdir( * Get the dquots for the inodes. */ error = XFS_QM_DQATTACH(mp, dp, 0); - if (!error && dp != cdp) + if (!error) error = XFS_QM_DQATTACH(mp, cdp, 0); if (error) { IRELE(cdp); @@ -2796,14 +2790,7 @@ xfs_rmdir( } xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL); - if (dp != cdp) { - /* - * Only increment the parent directory vnode count if - * we didn't bump it in looking up cdp. The only time - * we don't bump it is when we're looking up ".". - */ - VN_HOLD(dir_vp); - } + VN_HOLD(dir_vp); xfs_itrace_ref(cdp); xfs_trans_ijoin(tp, cdp, XFS_ILOCK_EXCL); |