Revision bb8bf76f
| ID | bb8bf76fb1c4afa116a7f11fee559b3cca671a4a |
block: add discard support
Add a new bdrv_discard method to free blocks in a mapping image, and a new
drive property to set the granularity for these discard. If no discard
granularity support is set discard support is disabled.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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