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(parent: a213501) | patch
Drop locks in btrfs_search_slot when reading a tree block.
authorChris Mason <chris.mason@oracle.com>
Wed, 25 Jun 2008 20:01:30 +0000 (16:01 -0400)
committerChris Mason <chris.mason@oracle.com>
Thu, 25 Sep 2008 15:04:03 +0000 (11:04 -0400)
commit051e1b9f748ae673b7325d3fc049bb838606cffa
tree82d9d98a56ed776df8eee270dc9e11d7f0eb9d56tree | snapshot (tar.gz zip)
parenta213501153fd66e2359e091b1612841305ba6551commit | diff
Drop locks in btrfs_search_slot when reading a tree block.

One lock per btree block can make for significant congestion if everyone
has to wait for IO at the high levels of the btree.  This drops
locks held by a path when doing reads during a tree search.

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