diff options
author | wang di <di.wang@intel.com> | 2016-08-16 16:18:19 -0400 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-21 15:57:33 +0200 |
commit | a0d73eb569cd4fee48d35b9ce636587fa05ed145 (patch) | |
tree | c09ee6978a2169bfa162638ee8ee74a660edaae2 | |
parent | 77a782ab70d3a35812f6ad0e13e5cea72b3b6694 (diff) | |
download | linux-0-day-a0d73eb569cd4fee48d35b9ce636587fa05ed145.tar.gz linux-0-day-a0d73eb569cd4fee48d35b9ce636587fa05ed145.tar.xz |
staging: lustre: mdc: don't take rpc lock for readdir case
If the operation is IT_READDIR don't need to handle the
mdc RPC lock.
Signed-off-by: wang di <di.wang@intel.com>
Reviewed-on: http://review.whamcloud.com/10761
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4906
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/staging/lustre/lustre/include/lustre_mdc.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/staging/lustre/lustre/include/lustre_mdc.h b/drivers/staging/lustre/lustre/include/lustre_mdc.h index fa62b95d351fd..0a8c6391b91d6 100644 --- a/drivers/staging/lustre/lustre/include/lustre_mdc.h +++ b/drivers/staging/lustre/lustre/include/lustre_mdc.h @@ -96,7 +96,7 @@ static inline void mdc_get_rpc_lock(struct mdc_rpc_lock *lck, struct lookup_intent *it) { if (it && (it->it_op == IT_GETATTR || it->it_op == IT_LOOKUP || - it->it_op == IT_LAYOUT)) + it->it_op == IT_LAYOUT || it->it_op == IT_READDIR)) return; /* This would normally block until the existing request finishes. @@ -136,7 +136,7 @@ static inline void mdc_put_rpc_lock(struct mdc_rpc_lock *lck, struct lookup_intent *it) { if (it && (it->it_op == IT_GETATTR || it->it_op == IT_LOOKUP || - it->it_op == IT_LAYOUT)) + it->it_op == IT_LAYOUT || it->it_op == IT_READDIR)) return; if (lck->rpcl_it == MDC_FAKE_RPCL_IT) { /* OBD_FAIL_MDC_RPCS_SEM */ |