block: add missed trace_block_plug
commit019ceb7d5d252ce71001a157cf29f4ac28501b72
authorShaohua Li <shaohua.li@intel.com>
Wed, 16 Nov 2011 08:21:50 +0000 (16 09:21 +0100)
committerJens Axboe <axboe@kernel.dk>
Wed, 16 Nov 2011 08:21:50 +0000 (16 09:21 +0100)
tree53faeec57ba2149658b7eb7b85830f9bcdbe1540
parenta2c2a0e668e26e020731ce2a40e6474d1d37210a
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>
block/blk-core.c