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authorBrian Behlendorf <[email protected]>2012-12-05 13:00:49 -0800
committerBrian Behlendorf <[email protected]>2012-12-05 13:41:30 -0800
commit53c7411919a64d6f0889aa0d6974610f6cd35744 (patch)
treea95b0ea989fbf6a0c6c6935ac55cc96b05049c76 /module/zfs/vdev_root.c
parentd3aa3ea96e02547166563bbd60bc8581567a140a (diff)
Revert "Fix unlink/xattr deadlock"
This reverts commit b00131d43ca344d4b205a03ab3eb771a060e5087 which is no longer needed due to e89260a1c8851ce05ea04b23606ba438b271d890. This change forces all xattr znodes to hold a reference on their parent which ensures prune_icache() will never attempt to evict both the parent and child concurrently. This effectively prevents the deadlock condition from ever occuring. Therefore we can safely revert back to the upstream synchronous cleanup code. This is nice because it keeps our code base closer to upstream and resolves the performance issues introduced by the original deadlock fix. Signed-off-by: Brian Behlendorf <[email protected]> Closes #457
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