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| author | Shaohua Li <shaohua.li@intel.com> | 2011-01-07 08:46:59 +0100 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2011-01-07 08:46:59 +0100 |
| commit | 30d7b9448f03f2c82d0fd44738674cc156a8ce0a (patch) | |
| tree | f925a59dfe6a7b2da5240e9d43d873de7b1de273 /Documentation/nmi_watchdog.txt | |
| parent | b7908c1035af7652cd613991b54dbff9c8b6bd3a (diff) | |
| download | linux-3.10-30d7b9448f03f2c82d0fd44738674cc156a8ce0a.tar.gz linux-3.10-30d7b9448f03f2c82d0fd44738674cc156a8ce0a.tar.bz2 linux-3.10-30d7b9448f03f2c82d0fd44738674cc156a8ce0a.zip | |
block cfq: don't use atomic_t for cfq_queue
cfq_queue->ref is used with queue_lock hold, so ref doesn't need to be an atomic
and atomic operation is slower.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'Documentation/nmi_watchdog.txt')
0 files changed, 0 insertions, 0 deletions