diff options
| author | Shehjar Tikoo <shehjart@zresearch.com> | 2009-02-19 05:21:47 -0800 |
|---|---|---|
| committer | Anand V. Avati <avati@dev.gluster.com> | 2009-02-19 07:08:38 -0800 |
| commit | 99a1cac632b4325afb95cb7c183721c0a90925d7 (patch) | |
| tree | 7dc7de4f16329e6be65594f801ca1332cb30823e /xlators/performance/io-threads/src/io-threads.h | |
| parent | 57957c59cd2925540769ae9cb58029b0125e4ae7 (diff) | |
Reduce iothreads requests queue lock granularity.
iot_queue() and iot_dequeue() functions were using a io-threads
translator-wide lock which would be contended for by every worker
thread waiting for IO requests.
This patch reduces the granularity by turning the
lock into a per-worker lock.
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
Diffstat (limited to 'xlators/performance/io-threads/src/io-threads.h')
| -rw-r--r-- | xlators/performance/io-threads/src/io-threads.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/xlators/performance/io-threads/src/io-threads.h b/xlators/performance/io-threads/src/io-threads.h index 419f6fdb8e6..401d0d86dc9 100644 --- a/xlators/performance/io-threads/src/io-threads.h +++ b/xlators/performance/io-threads/src/io-threads.h @@ -58,6 +58,7 @@ struct iot_worker { struct iot_conf *conf; int64_t q,dq; pthread_cond_t dq_cond; + pthread_mutex_t qlock; int32_t fd_count; int32_t queue_size; pthread_t thread; @@ -78,7 +79,6 @@ struct iot_conf { pthread_mutex_t files_lock; pthread_cond_t q_cond; - pthread_mutex_t lock; }; typedef struct iot_file iot_file_t; |