| commit | f4a193e717e6b5179a2e57423bfe110b724662d8 | |
| author | Max Reitz <mreitz@redhat.com> | |
| Wed, 13 Nov 2013 19:37:58 +0000 (13 20:37 +0100) | ||
| committer | Kevin Wolf <kwolf@redhat.com> | |
| Thu, 28 Nov 2013 10:39:31 +0000 (28 11:39 +0100) | ||
| tree | eee9919b69c91f27618531e602d0b45aa6ffbf76 | treesnapshot (tar.gz zip) |
| parent | 8582972227196c289bb3b28086b3b2d01071d958 | commitdiff |
block/stream: Don't stream unbacked devices
If a block device is unbacked, a streaming blockjob should immediately
finish instead of beginning to try to stream, then noticing the backing
file does not contain even the first sector (since it does not exist)
and then finishing normally.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
If a block device is unbacked, a streaming blockjob should immediately
finish instead of beginning to try to stream, then noticing the backing
file does not contain even the first sector (since it does not exist)
and then finishing normally.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
| block/stream.c | diffblobblamehistory |