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authorMike Anderson <andmike@linux.vnet.ibm.com>2008-08-29 09:36:09 +0200
committerJens Axboe <jens.axboe@oracle.com>2008-10-09 08:56:14 +0200
commit224cb3e981f1b2f9f93dbd49eaef505d17d894c2 (patch)
tree41f2201e228a1cdb46430779deeaa474cedab7ed /drivers/md/dm-mpath.c
parent11914a53d2ec2974a565311af327b8983d8c820d (diff)
downloadlinux-224cb3e981f1b2f9f93dbd49eaef505d17d894c2.tar.bz2
dm: Call blk_abort_queue on failed paths
Signed-off-by: Mike Anderson <andmike@linux.vnet.ibm.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/md/dm-mpath.c')
-rw-r--r--drivers/md/dm-mpath.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index c2fcf28b4c70..3d3848132c69 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -33,6 +33,7 @@ struct pgpath {
unsigned fail_count; /* Cumulative failure count */
struct dm_path path;
+ struct work_struct deactivate_path;
};
#define path_to_pgpath(__pgp) container_of((__pgp), struct pgpath, path)
@@ -112,6 +113,7 @@ static struct workqueue_struct *kmultipathd, *kmpath_handlerd;
static void process_queued_ios(struct work_struct *work);
static void trigger_event(struct work_struct *work);
static void activate_path(struct work_struct *work);
+static void deactivate_path(struct work_struct *work);
/*-----------------------------------------------
@@ -122,8 +124,10 @@ static struct pgpath *alloc_pgpath(void)
{
struct pgpath *pgpath = kzalloc(sizeof(*pgpath), GFP_KERNEL);
- if (pgpath)
+ if (pgpath) {
pgpath->path.is_active = 1;
+ INIT_WORK(&pgpath->deactivate_path, deactivate_path);
+ }
return pgpath;
}
@@ -133,6 +137,14 @@ static void free_pgpath(struct pgpath *pgpath)
kfree(pgpath);
}
+static void deactivate_path(struct work_struct *work)
+{
+ struct pgpath *pgpath =
+ container_of(work, struct pgpath, deactivate_path);
+
+ blk_abort_queue(pgpath->path.dev->bdev->bd_disk->queue);
+}
+
static struct priority_group *alloc_priority_group(void)
{
struct priority_group *pg;
@@ -870,6 +882,7 @@ static int fail_path(struct pgpath *pgpath)
pgpath->path.dev->name, m->nr_valid_paths);
queue_work(kmultipathd, &m->trigger_event);
+ queue_work(kmultipathd, &pgpath->deactivate_path);
out:
spin_unlock_irqrestore(&m->lock, flags);