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| author | Nathan Scott <nathans@sgi.com> | 2006-06-27 08:13:46 +0200 |
|---|---|---|
| committer | Nathan Scott <nathans@sgi.com> | 2006-06-27 08:13:46 +0200 |
| commit | 97dfd70c8958a634157e0b35711cca01ff6f959b (patch) | |
| tree | a4e47392e35a04b71ff180fa4a681731e3d03a14 | |
| parent | [XFS] Remove redundant directory checks from inode link operation. (diff) | |
| download | linux-97dfd70c8958a634157e0b35711cca01ff6f959b.tar.xz linux-97dfd70c8958a634157e0b35711cca01ff6f959b.zip | |
[XFS] Remove a race condition where a linked inode could BUG_ON in
d_instantiate, due to fast transaction committal removing the last
remaining reference before we were all done.
SGI-PV: 953287
SGI-Modid: xfs-linux-melb:xfs-kern:26347a
Signed-off-by: Nathan Scott <nathans@sgi.com>
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_iops.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c index b3b46457f151..d9180020de63 100644 --- a/fs/xfs/linux-2.6/xfs_iops.c +++ b/fs/xfs/linux-2.6/xfs_iops.c @@ -422,10 +422,12 @@ xfs_vn_link( tdvp = vn_from_inode(dir); vp = vn_from_inode(ip); + VN_HOLD(vp); error = bhv_vop_link(tdvp, vp, dentry, NULL); - if (likely(!error)) { + if (unlikely(error)) { + VN_RELE(vp); + } else { VMODIFY(tdvp); - VN_HOLD(vp); xfs_validate_fields(ip, &vattr); d_instantiate(dentry, ip); } |