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| author | Nick Piggin <npiggin@suse.de> | 2008-04-29 14:48:33 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2008-04-29 14:48:33 +0200 |
| commit | 75ad23bc0fcb4f992a5d06982bf0857ab1738e9e (patch) | |
| tree | 8668ef63b1f420252ae41aed9e13737d49fd8054 /drivers/scsi/scsi_debug.c | |
| parent | 68154e90c9d1492d570671ae181d9a8f8530da55 (diff) | |
| download | linux-75ad23bc0fcb4f992a5d06982bf0857ab1738e9e.tar.gz linux-75ad23bc0fcb4f992a5d06982bf0857ab1738e9e.tar.bz2 linux-75ad23bc0fcb4f992a5d06982bf0857ab1738e9e.zip | |
block: make queue flags non-atomic
We can save some atomic ops in the IO path, if we clearly define
the rules of how to modify the queue flags.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/scsi/scsi_debug.c')
| -rw-r--r-- | drivers/scsi/scsi_debug.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 07103c399fe0..f6600bfb5bde 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -1773,7 +1773,7 @@ static int scsi_debug_slave_alloc(struct scsi_device *sdp) if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts) printk(KERN_INFO "scsi_debug: slave_alloc <%u %u %u %u>\n", sdp->host->host_no, sdp->channel, sdp->id, sdp->lun); - set_bit(QUEUE_FLAG_BIDI, &sdp->request_queue->queue_flags); + queue_flag_set_unlocked(QUEUE_FLAG_BIDI, sdp->request_queue); return 0; } |