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Btrfs: Optimize locking in btrfs_next_leaf()
authorChris Mason <chris.mason@oracle.com>
Fri, 3 Apr 2009 14:14:18 +0000 (10:14 -0400)
committerChris Mason <chris.mason@oracle.com>
Fri, 3 Apr 2009 14:14:18 +0000 (10:14 -0400)
commit8e73f275011b3264a87339fd9f1690e944e381c9
tree865900b191ed0e01f10d2f87e28c9e2ed56e5722tree | snapshot (tar.gz zip)
parentc8c42864f6193638eed136e0243f426a0b7f4bc2commit | diff
Btrfs: Optimize locking in btrfs_next_leaf()

btrfs_next_leaf was using blocking locks when it could have been using
faster spinning ones instead.  This adds a few extra checks around
the pieces that block and switches over to spinning locks.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/ctree.c diff | blob | blame | history