diff options
Diffstat (limited to 'block/blk-core.c')
| -rw-r--r-- | block/blk-core.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index eea2465..473dd69 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1753,8 +1753,11 @@ get_rq: /* * If this is the first request added after a plug, fire * of a plug trace. + * + * @request_count may become stale because of schedule + * out, so check plug list again. */ - if (!request_count) + if (!request_count || list_empty(&plug->list)) trace_block_plug(q); else { struct request *last = list_entry_rq(plug->list.prev); |
