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| author | Mike Anderson <andmike@linux.vnet.ibm.com> | 2008-08-29 09:36:09 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2008-10-09 08:56:14 +0200 |
| commit | 224cb3e981f1b2f9f93dbd49eaef505d17d894c2 (patch) | |
| tree | 41f2201e228a1cdb46430779deeaa474cedab7ed /drivers/md | |
| parent | block: Add interface to abort queued requests (diff) | |
| download | linux-224cb3e981f1b2f9f93dbd49eaef505d17d894c2.tar.xz linux-224cb3e981f1b2f9f93dbd49eaef505d17d894c2.zip | |
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')
| -rw-r--r-- | drivers/md/dm-mpath.c | 15 |
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); |