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