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[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>
This commit is contained in:
Nathan Scott 2006-06-27 16:13:46 +10:00
parent 05a3332885
commit 97dfd70c89
1 changed files with 4 additions and 2 deletions
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6
fs/xfs/linux-2.6/xfs_iops.c
View File

@ -422,10 +422,12 @@ xfs_vn_link(
tdvp = vn_from_inode(dir); tdvp = vn_from_inode(dir);
vp = vn_from_inode(ip); vp = vn_from_inode(ip);
VN_HOLD(vp);
error = bhv_vop_link(tdvp, vp, dentry, NULL); error = bhv_vop_link(tdvp, vp, dentry, NULL);
if (likely(!error)) { if (unlikely(error)) {
VN_RELE(vp);
} else {
VMODIFY(tdvp); VMODIFY(tdvp);
VN_HOLD(vp);
xfs_validate_fields(ip, &vattr); xfs_validate_fields(ip, &vattr);
d_instantiate(dentry, ip); d_instantiate(dentry, ip);
} }