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Commit a0d73eb5 authored by wang di's avatar wang di Committed by Greg Kroah-Hartman
Browse files

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: default avatarwang 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: default avatarJohn L. Hammond <john.hammond@intel.com>
Reviewed-by: default avatarAndreas Dilger <andreas.dilger@intel.com>
Reviewed-by: default avatarOleg Drokin <oleg.drokin@intel.com>
Signed-off-by: default avatarJames Simmons <jsimmons@infradead.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 77a782ab

drivers/staging/lustre/lustre/include/lustre_mdc.h

+2 −2
Original line number Diff line number Diff line
@@ -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 */