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authorGregoire Pichon <gregoire.pichon@bull.net>2016-10-02 22:28:34 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-10-16 10:24:39 +0200
commite1f361aca55377a2082a8d72d194988b52915a3b (patch)
tree26692fd8072e363fd922e618dc1da2829d40ca7b /drivers/staging/lustre/lustre/include/obd.h
parent7d870d93badd7f2bfa8a33674ee3b626159b4e9b (diff)
downloadop-kernel-dev-e1f361aca55377a2082a8d72d194988b52915a3b.zip
op-kernel-dev-e1f361aca55377a2082a8d72d194988b52915a3b.tar.gz
staging: lustre: mdc: add max modify RPCs in flight variable
This patch introduces the maximum modify RPCs in flight variable of a mdc client obd device. Its value is set from connection flag and and connection data. It can later be tuned through the max_mod_rpcs_in_flight procfs file. Signed-off-by: Gregoire Pichon <gregoire.pichon@bull.net> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5319 Reviewed-on: http://review.whamcloud.com/14153 Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com> Reviewed-by: Mike Pershin <mike.pershin@intel.com> Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@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>
Diffstat (limited to 'drivers/staging/lustre/lustre/include/obd.h')
-rw-r--r--drivers/staging/lustre/lustre/include/obd.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/include/obd.h b/drivers/staging/lustre/lustre/include/obd.h
index 5fa5838..a977388 100644
--- a/drivers/staging/lustre/lustre/include/obd.h
+++ b/drivers/staging/lustre/lustre/include/obd.h
@@ -318,6 +318,13 @@ struct client_obd {
struct mdc_rpc_lock *cl_rpc_lock;
struct mdc_rpc_lock *cl_close_lock;
+ /* modify rpcs in flight
+ * currently used for metadata only
+ */
+ spinlock_t cl_mod_rpcs_lock;
+ u16 cl_max_mod_rpcs_in_flight;
+
+
/* mgc datastruct */
atomic_t cl_mgc_refcount;
struct obd_export *cl_mgc_mgsexp;
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