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Btrfs: alloc_mutex latency reduction
authorChris Mason <chris.mason@oracle.com>
Wed, 23 Jul 2008 03:06:41 +0000 (23:06 -0400)
committerChris Mason <chris.mason@oracle.com>
Thu, 25 Sep 2008 15:04:05 +0000 (11:04 -0400)
This releases the alloc_mutex in a few places that hold it for over long
operations.  btrfs_lookup_block_group is changed so that it doesn't need
the mutex at all.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

No differences found
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