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| author | Shaohua Li <shaohua.li@intel.com> | 2011-11-16 09:21:50 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2011-11-16 09:21:50 +0100 |
| commit | 019ceb7d5d252ce71001a157cf29f4ac28501b72 (patch) | |
| tree | 53faeec57ba2149658b7eb7b85830f9bcdbe1540 /block/blk-core.c | |
| parent | a2c2a0e668e26e020731ce2a40e6474d1d37210a (diff) | |
| download | linux-stable-019ceb7d5d252ce71001a157cf29f4ac28501b72.tar.gz linux-stable-019ceb7d5d252ce71001a157cf29f4ac28501b72.tar.bz2 linux-stable-019ceb7d5d252ce71001a157cf29f4ac28501b72.zip | |
block: add missed trace_block_plug
After flush plug list, the list has no request, so we need to add a
trace_block_plug().
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Reviewed-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-core.c')
| -rw-r--r-- | block/blk-core.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 6403c12f8aad..ea70e6c80cd3 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1387,8 +1387,10 @@ get_rq: if (__rq->q != q) plug->should_sort = 1; } - if (request_count >= BLK_MAX_REQUEST_COUNT) + if (request_count >= BLK_MAX_REQUEST_COUNT) { blk_flush_plug_list(plug, false); + trace_block_plug(q); + } } list_add_tail(&req->queuelist, &plug->list); drive_stat_acct(req, 1); |