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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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2
include/linux/mtd/blktrans.h
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@@ -41,6 +41,8 @@ struct mtd_blktrans_ops {
unsigned long block, char *buffer);
int (*writesect)(struct mtd_blktrans_dev *dev,
unsigned long block, char *buffer);
int (*discard)(struct mtd_blktrans_dev *dev,
unsigned long block, unsigned nr_blocks);
/* Block layer ioctls */
int (*getgeo)(struct mtd_blktrans_dev *dev, struct hd_geometry *geo);