| commit | 66d7e85ea7c3628189d19b265495358f756cb463 | [log] [tgz] |
|---|---|---|
| author | Chris Mason <chris.mason@oracle.com> | Thu Mar 12 20:12:45 2009 -0400 |
| committer | Chris Mason <chris.mason@oracle.com> | Tue Mar 24 16:14:27 2009 -0400 |
| tree | ffd9484c6e80f90bcf0c4da2f41dda57c8d6eac5 | |
| parent | 7f366cfecfc126731f8ac505d72026d691dac79a [diff] |
Btrfs: Check for a blocking lock before taking the spin This reduces contention on the extent buffer spin locks by testing for a blocking lock before trying to take the spinlock. Signed-off-by: Chris Mason <chris.mason@oracle.com>