diff options
Diffstat (limited to 'fs/btrfs/locking.c')
| -rw-r--r-- | fs/btrfs/locking.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/btrfs/locking.c b/fs/btrfs/locking.c index 6d8db2f5c38d..a5310c0f41e2 100644 --- a/fs/btrfs/locking.c +++ b/fs/btrfs/locking.c @@ -96,11 +96,12 @@ int btrfs_try_spin_lock(struct extent_buffer *eb) { int i; - spin_nested(eb); - if (!test_bit(EXTENT_BUFFER_BLOCKING, &eb->bflags)) - return 1; - spin_unlock(&eb->lock); - + if (btrfs_spin_on_block(eb)) { + spin_nested(eb); + if (!test_bit(EXTENT_BUFFER_BLOCKING, &eb->bflags)) + return 1; + spin_unlock(&eb->lock); + } /* spin for a bit on the BLOCKING flag */ for (i = 0; i < 2; i++) { cpu_relax(); |