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| author |   Yan, Zheng <zheng.yan@oracle.com> | 2010-02-04 08:46:56 +0000 |
|---|---|---|
| committer |   Chris Mason <chris.mason@oracle.com> | 2010-02-04 11:31:44 -0500 |
| commit | f044ba7835b84e69c68b620ca8fa27e5ef67759d (patch) | |
| tree | 33c21a5b97a61d584f330618c7428d513e5d8aa2 /tools/perf/scripts/python/syscall-counts.py | |
| parent | Btrfs: check total number of devices when removing missing (diff) | |
| download | wireguard-linux-f044ba7835b84e69c68b620ca8fa27e5ef67759d.tar.xz wireguard-linux-f044ba7835b84e69c68b620ca8fa27e5ef67759d.zip | |
Btrfs: fix race between allocate and release extent buffer.
Increase extent buffer's reference count while holding the lock.
Otherwise it can race with try_release_extent_buffer.
Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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