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authorChristoph Hellwig <hch@lst.de>2010-12-16 19:36:31 +0100
committerKevin Wolf <kwolf@redhat.com>2010-12-17 16:11:03 +0100
commitbb8bf76fb1c4afa116a7f11fee559b3cca671a4a (patch)
tree3869081b39a96da24bff96e06099794960dd9ccf /hw/scsi-defs.h
parent61d9d6b091aa04e5e5bd20951aa689a5bbe65aed (diff)
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>
Diffstat (limited to 'hw/scsi-defs.h')
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