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| author | Ingo Molnar <mingo@elte.hu> | 2009-04-08 10:35:30 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-08 10:35:30 +0200 |
| commit | 5ea472a77f8e4811ceee3f44a9deda6ad6e8b789 (patch) | |
| tree | a9ec5019e2b666a19874fc344ffb0dd5da6bce94 /block/blk.h | |
| parent | 6c009ecef8cca28c7c09eb16d0802e37915a76e1 (diff) | |
| parent | 577c9c456f0e1371cbade38eaf91ae8e8a308555 (diff) | |
| download | linux-5ea472a77f8e4811ceee3f44a9deda6ad6e8b789.tar.bz2 | |
Merge commit 'v2.6.30-rc1' into perfcounters/core
Conflicts:
arch/powerpc/include/asm/systbl.h
arch/powerpc/include/asm/unistd.h
include/linux/init_task.h
Merge reason: the conflicts are non-trivial: PowerPC placement
of sys_perf_counter_open has to be mixed with the
new preadv/pwrite syscalls.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'block/blk.h')
| -rw-r--r-- | block/blk.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/block/blk.h b/block/blk.h index 3ee94358b43d..24fcaeeaf620 100644 --- a/block/blk.h +++ b/block/blk.h @@ -70,6 +70,10 @@ void blk_queue_congestion_threshold(struct request_queue *q); int blk_dev_init(void); +void elv_quisce_start(struct request_queue *q); +void elv_quisce_end(struct request_queue *q); + + /* * Return the threshold (number of used requests) at which the queue is * considered to be congested. It include a little hysteresis to keep the @@ -108,12 +112,14 @@ static inline int blk_cpu_to_group(int cpu) #endif } -static inline int blk_do_io_stat(struct request_queue *q) +static inline int blk_do_io_stat(struct request *rq) { - if (q) - return blk_queue_io_stat(q); + struct gendisk *disk = rq->rq_disk; - return 0; + if (!disk || !disk->queue) + return 0; + + return blk_queue_io_stat(disk->queue) && (rq->cmd_flags & REQ_ELVPRIV); } #endif |