[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

View File

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