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authorShaohua Li <shaohua.li@intel.com>2011-11-16 09:21:50 +0100
committerZiyan <jaraidaniel@gmail.com>2016-01-08 10:36:45 +0100
commit1b2a336d17ecacc4367ad724832650f8fc6a1ed4 (patch)
tree6aed702a3ea6da1678a463728cb90eb6aad98b4a /include/linux
parent4a6794bae5c823a5e1a97ae91cebfcb833766159 (diff)
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block: avoid unnecessary plug list flush
get_request_wait() could sleep and flush the plug list. If the list is already flushed, don't flush again. 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>
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