From a0d73eb569cd4fee48d35b9ce636587fa05ed145 Mon Sep 17 00:00:00 2001 From: wang di Date: Tue, 16 Aug 2016 16:18:19 -0400 Subject: [PATCH] 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 Reviewed-on: http://review.whamcloud.com/10761 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4906 Reviewed-by: John L. Hammond Reviewed-by: Andreas Dilger Reviewed-by: Oleg Drokin Signed-off-by: James Simmons Signed-off-by: Greg Kroah-Hartman --- drivers/staging/lustre/lustre/include/lustre_mdc.h | 4 ++-- 1 file 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 fa62b95d351f..0a8c6391b91d 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 */ -- 2.20.1