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(parent: 1ab546f) | patch
block: avoid unnecessary plug list flush
authorShaohua Li <shaohua.li@intel.com>
Wed, 16 Nov 2011 08:21:50 +0000 (09:21 +0100)
committerJens Axboe <axboe@kernel.dk>
Wed, 16 Nov 2011 08:21:50 +0000 (09:21 +0100)
commitf1c16d3970950b5faf2024f09dda9126d1e67659
tree10bb06165130e4ffe90bd990fbba497be8fb4e8atree | snapshot
parent1ab546fc0a546ec0fbc9ca8d7f96012c29dd1828commit | diff
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>
block/blk-core.c diff | blob | history
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