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| author | Liu Bo <bo.li.liu@oracle.com> | 2012-12-27 13:01:21 +0400 |
|---|---|---|
| committer | Josef Bacik <jbacik@fusionio.com> | 2013-02-20 18:37:15 +0400 |
| commit | 51fab693477c39ba82c153d3fb30a4cc6de49874 (patch) | |
| tree | 859b579a8253265f2c1c6af9635434fda54486a4 /fs/btrfs/locking.c | |
| parent | dcfac4156fa102c1bab0e4e31df37e47278292f6 (diff) | |
| download | linux-51fab693477c39ba82c153d3fb30a4cc6de49874.tar.xz | |
Btrfs: use token to avoid times mapping extent buffer
The API in tree log code has done sort of changes, and it proves that
we can benifit from using token, so do the same thing here.
function_graph tracer's timer shows that it costs nearly half time
of before(39.788us -> 22.391us).
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Diffstat (limited to 'fs/btrfs/locking.c')
0 files changed, 0 insertions, 0 deletions