diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-03 18:14:44 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-03 18:14:44 -0400 |
commit | b983471794e568fd71fa767da77a62ba517c3e63 (patch) | |
tree | 92a1cc26c4846b49d90225d004ba1b7bd6fe3d81 /fs/btrfs/locking.c | |
parent | 5a3ae276057840f0e60664c12fc3ef80aa59d1d4 (diff) | |
parent | c293498be69816087746161338de4b81efdf69fc (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
Btrfs: BUG to BUG_ON changes
Btrfs: remove dead code
Btrfs: remove dead code
Btrfs: fix typos in comments
Btrfs: remove unused ftrace include
Btrfs: fix __ucmpdi2 compile bug on 32 bit builds
Btrfs: free inode struct when btrfs_new_inode fails
Btrfs: fix race in worker_loop
Btrfs: add flushoncommit mount option
Btrfs: notreelog mount option
Btrfs: introduce btrfs_show_options
Btrfs: rework allocation clustering
Btrfs: Optimize locking in btrfs_next_leaf()
Btrfs: break up btrfs_search_slot into smaller pieces
Btrfs: kill the pinned_mutex
Btrfs: kill the block group alloc mutex
Btrfs: clean up find_free_extent
Btrfs: free space cache cleanups
Btrfs: unplug in the async bio submission threads
Btrfs: keep processing bios for a given bdev if our proc is batching
Diffstat (limited to 'fs/btrfs/locking.c')
-rw-r--r-- | fs/btrfs/locking.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/btrfs/locking.c b/fs/btrfs/locking.c index a5310c0f41e2..1c36e5cd8f55 100644 --- a/fs/btrfs/locking.c +++ b/fs/btrfs/locking.c | |||
@@ -60,8 +60,8 @@ void btrfs_clear_lock_blocking(struct extent_buffer *eb) | |||
60 | 60 | ||
61 | /* | 61 | /* |
62 | * unfortunately, many of the places that currently set a lock to blocking | 62 | * unfortunately, many of the places that currently set a lock to blocking |
63 | * don't end up blocking for every long, and often they don't block | 63 | * don't end up blocking for very long, and often they don't block |
64 | * at all. For a dbench 50 run, if we don't spin one the blocking bit | 64 | * at all. For a dbench 50 run, if we don't spin on the blocking bit |
65 | * at all, the context switch rate can jump up to 400,000/sec or more. | 65 | * at all, the context switch rate can jump up to 400,000/sec or more. |
66 | * | 66 | * |
67 | * So, we're still stuck with this crummy spin on the blocking bit, | 67 | * So, we're still stuck with this crummy spin on the blocking bit, |