| commit | 365fed5111b06d31c1632af63c7528dfe49d62a2 | |
| author | Eric Blake <eblake@redhat.com> | |
| Thu, 28 May 2020 09:44:05 +0000 (28 12:44 +0300) | ||
| committer | Max Reitz <mreitz@redhat.com> | |
| Mon, 6 Jul 2020 08:34:14 +0000 (6 10:34 +0200) | ||
| tree | 7ccc39983dc87c09eb6a98bdc1b5647b10de7477 | treesnapshot (tar.gz zip) |
| parent | a2adbbf603cee443ca923f6e8546267a706567d5 | commitdiff |
qed: Simplify backing reads
The other four drivers that support backing files (qcow, qcow2,
parallels, vmdk) all rely on the block layer to populate zeroes when
reading beyond EOF of a short backing file. We can simplify the qed
code by doing likewise.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200528094405.145708-11-vsementsov@virtuozzo.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
The other four drivers that support backing files (qcow, qcow2,
parallels, vmdk) all rely on the block layer to populate zeroes when
reading beyond EOF of a short backing file. We can simplify the qed
code by doing likewise.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200528094405.145708-11-vsementsov@virtuozzo.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
| block/qed.c | diffblobblamehistory | |
| block/qed.h | diffblobblamehistory |