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dm: Call blk_abort_queue on failed paths

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Signed-off-by: Mike Anderson <andmike@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Mike Anderson 2008-08-29 09:36:09 +02:00 committed by Jens Axboe
parent 11914a53d2
commit 224cb3e981
1 changed files with 14 additions and 1 deletions
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15
drivers/md/dm-mpath.c
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@ -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);