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Support 'discard sectors' operation in translation layer support core

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Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
David Woodhouse
2008-08-05 18:08:25 +01:00
committed by Jens Axboe
parent 8c540a96c1
commit eae9acd13a
3 changed files with 19 additions and 0 deletions
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include/linux/blkdev.h
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@@ -81,6 +81,7 @@ enum {
*/
REQ_LB_OP_EJECT = 0x40, /* eject request */
REQ_LB_OP_FLUSH = 0x41, /* flush device */
REQ_LB_OP_DISCARD = 0x42, /* discard sectors */
};
/*