Commit 768a418d authored by NeilBrown's avatar NeilBrown
Browse files

md: add support for raising dm events. 



dm uses scheduled work to raise events to user-space.
So allow md device to have work_structs and schedule them on an error.

Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent 390ee602

drivers/md/md.c

+2 −0
Original line number Diff line number Diff line
@@ -6068,6 +6068,8 @@ void md_error(mddev_t *mddev, mdk_rdev_t *rdev) 
	set_bit(MD_RECOVERY_INTR, &mddev->recovery);

	set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);

	md_wakeup_thread(mddev->thread);

	if (mddev->event_work.func)

		schedule_work(&mddev->event_work);

	md_new_event_inintr(mddev);

}

drivers/md/md.h

+1 −0
Original line number Diff line number Diff line
@@ -318,6 +318,7 @@ struct mddev_s 
	struct bio *barrier;

	atomic_t flush_pending;

	struct work_struct barrier_work;

	struct work_struct event_work;	/* used by dm to report failure event */

};