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| author |   David Woodhouse <David.Woodhouse@intel.com> | 2008-08-05 18:08:25 +0100 |
|---|---|---|
| committer |   Jens Axboe <jens.axboe@oracle.com> | 2008-10-09 08:56:01 +0200 |
| commit | eae9acd13a8d14b50c00a961fa959606f34bbd92 (patch) | |
| tree | cbd16bf7fe9db99f6916408953c6243aca175121 /include/linux/mtd/blktrans.h | |
| parent | Let the block device know when sectors can be discarded (diff) | |
| download | linux-dev-eae9acd13a8d14b50c00a961fa959606f34bbd92.tar.xz linux-dev-eae9acd13a8d14b50c00a961fa959606f34bbd92.zip | |
Support 'discard sectors' operation in translation layer support core
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include/linux/mtd/blktrans.h')
| -rw-r--r-- | include/linux/mtd/blktrans.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mtd/blktrans.h b/include/linux/mtd/blktrans.h index 310e61606415..8b4aa0523db7 100644 --- a/include/linux/mtd/blktrans.h +++ b/include/linux/mtd/blktrans.h @@ -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); |