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block: remove obsolete comments for blkdev_issue_zeroout.
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barrier is already removed, so remove the obsolete comments
in blkdev_issue_zeroout.

Cc: Jens Axboe <jaxboe@fusionio.com>
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
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Tao Ma authored and Jens Axboe committed Mar 11, 2011
1 parent 805f6b5 commit eba2ed9
Showing 1 changed file with 0 additions and 2 deletions.
2 changes: 0 additions & 2 deletions block/blk-lib.c
Original file line number Diff line number Diff line change
Expand Up @@ -140,8 +140,6 @@ static void bio_batch_end_io(struct bio *bio, int err)
*
* Description:
* Generate and issue number of bios with zerofiled pages.
* Send barrier at the beginning and at the end if requested. This guarantie
* correct request ordering. Empty barrier allow us to avoid post queue flush.
*/

int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector,
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