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| author | Max Reitz <mreitz@redhat.com> | 2018-04-21 15:29:23 +0200 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2018-05-15 16:15:21 +0200 |
| commit | c6035964f8316b504060618d05b5dd434f18595b (patch) | |
| tree | d6b2279cf0ce77c58d2d41cb1014d265c1380c3d /qemu-img.c | |
| parent | 24b7c538fea86b598e2a335f4805a0ab50a30e98 (diff) | |
block: Add BDRV_REQ_WRITE_UNCHANGED flag
This flag signifies that a write request will not change the visible
disk content. With this flag set, it is sufficient to have the
BLK_PERM_WRITE_UNCHANGED permission instead of BLK_PERM_WRITE.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-id: 20180421132929.21610-4-mreitz@redhat.com
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'qemu-img.c')
0 files changed, 0 insertions, 0 deletions