diff options
Diffstat (limited to 'block/blk-timeout.c')
-rw-r--r-- | block/blk-timeout.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/block/blk-timeout.c b/block/blk-timeout.c index bbbdc4b8ccf2..1ec0d503cacd 100644 --- a/block/blk-timeout.c +++ b/block/blk-timeout.c | |||
@@ -211,6 +211,12 @@ void blk_abort_queue(struct request_queue *q) | |||
211 | struct request *rq, *tmp; | 211 | struct request *rq, *tmp; |
212 | LIST_HEAD(list); | 212 | LIST_HEAD(list); |
213 | 213 | ||
214 | /* | ||
215 | * Not a request based block device, nothing to abort | ||
216 | */ | ||
217 | if (!q->request_fn) | ||
218 | return; | ||
219 | |||
214 | spin_lock_irqsave(q->queue_lock, flags); | 220 | spin_lock_irqsave(q->queue_lock, flags); |
215 | 221 | ||
216 | elv_abort_queue(q); | 222 | elv_abort_queue(q); |
@@ -224,6 +230,13 @@ void blk_abort_queue(struct request_queue *q) | |||
224 | list_for_each_entry_safe(rq, tmp, &list, timeout_list) | 230 | list_for_each_entry_safe(rq, tmp, &list, timeout_list) |
225 | blk_abort_request(rq); | 231 | blk_abort_request(rq); |
226 | 232 | ||
233 | /* | ||
234 | * Occasionally, blk_abort_request() will return without | ||
235 | * deleting the element from the list. Make sure we add those back | ||
236 | * instead of leaving them on the local stack list. | ||
237 | */ | ||
238 | list_splice(&list, &q->timeout_list); | ||
239 | |||
227 | spin_unlock_irqrestore(q->queue_lock, flags); | 240 | spin_unlock_irqrestore(q->queue_lock, flags); |
228 | 241 | ||
229 | } | 242 | } |