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[XFS] Fix regression in xfs_buf_rele dealing with non-hashed buffers, as
occur during log replay. Novell bug 145204, Fedora bug 177848. SGI-PV: 948860 SGI-Modid: xfs-linux-melb:xfs-kern:25064a Signed-off-by: Nathan Scott <nathans@sgi.com>
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@ -822,6 +822,13 @@ xfs_buf_rele(
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XB_TRACE(bp, "rele", bp->b_relse);
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if (unlikely(!hash)) {
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ASSERT(!bp->b_relse);
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if (atomic_dec_and_test(&bp->b_hold))
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xfs_buf_free(bp);
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return;
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}
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if (atomic_dec_and_lock(&bp->b_hold, &hash->bh_lock)) {
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if (bp->b_relse) {
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atomic_inc(&bp->b_hold);
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