diff options
| author | NeilBrown <neilb@suse.de> | 2012-07-31 09:08:15 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2012-07-31 09:08:15 +0200 |
| commit | 74018dc3063a2c729fc73041c0a9f03aac995920 (patch) | |
| tree | 03f01bca3a2d9f7cf31785fbe74e9ab76bb0d4cd /block | |
| parent | block: stack unplug (diff) | |
| download | linux-74018dc3063a2c729fc73041c0a9f03aac995920.tar.xz linux-74018dc3063a2c729fc73041c0a9f03aac995920.zip | |
blk: pass from_schedule to non-request unplug functions.
This will allow md/raid to know why the unplug was called,
and will be able to act according - if !from_schedule it
is safe to perform tasks which could themselves schedule.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-core.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 35bf4fe8234c..4b4dbdfbca89 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -2909,7 +2909,7 @@ static void queue_unplugged(struct request_queue *q, unsigned int depth, } -static void flush_plug_callbacks(struct blk_plug *plug) +static void flush_plug_callbacks(struct blk_plug *plug, bool from_schedule) { LIST_HEAD(callbacks); @@ -2921,7 +2921,7 @@ static void flush_plug_callbacks(struct blk_plug *plug) struct blk_plug_cb, list); list_del(&cb->list); - cb->callback(cb); + cb->callback(cb, from_schedule); } } } @@ -2961,7 +2961,7 @@ void blk_flush_plug_list(struct blk_plug *plug, bool from_schedule) BUG_ON(plug->magic != PLUG_MAGIC); - flush_plug_callbacks(plug); + flush_plug_callbacks(plug, from_schedule); if (list_empty(&plug->list)) return; |