[dm-devel] [RFC PATCH 3/4] dm mpath: move trigger_event member to the end of 'struct multipath'
Mike Snitzer
snitzer at redhat.com
Thu Mar 31 20:04:25 UTC 2016
Allows the 'work_mutex' member to no longer cross a cacheline.
Signed-off-by: Mike Snitzer <snitzer at redhat.com>
---
drivers/md/dm-mpath.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 780e5d0..54daf96 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -89,8 +89,6 @@ struct multipath {
atomic_t pg_init_in_progress; /* Only one pg_init allowed at once */
atomic_t pg_init_count; /* Number of times pg_init called */
- struct work_struct trigger_event;
-
/*
* We must use a mempool of dm_mpath_io structs so that we
* can resubmit bios on error.
@@ -98,6 +96,7 @@ struct multipath {
mempool_t *mpio_pool;
struct mutex work_mutex;
+ struct work_struct trigger_event;
};
/*
--
2.6.4 (Apple Git-63)
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