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root / block @ 3397f0cb

Name Size
blkdebug.c 12.7 kB
blkverify.c 10.2 kB
bochs.c 7 kB
cloop.c 5.8 kB
cow.c 9.4 kB
curl.c 16.3 kB
dmg.c 8.7 kB
iscsi.c 15.8 kB
nbd.c 7.6 kB
parallels.c 4.8 kB
qcow.c 26.4 kB
qcow2-cache.c 7.5 kB
qcow2-cluster.c 27.9 kB
qcow2-refcount.c 37.8 kB
qcow2-snapshot.c 13.5 kB
qcow2.c 38.2 kB
qcow2.h 7.8 kB
qed-check.c 5.4 kB
qed-cluster.c 5.1 kB
qed-gencb.c 688 Bytes
qed-l2-cache.c 5.4 kB
qed-table.c 8.7 kB
qed.c 43.5 kB
qed.h 10.6 kB
raw-posix-aio.h 1.3 kB
raw-posix.c 31.7 kB
raw-win32.c 11.6 kB
raw.c 3.4 kB
rbd.c 21.8 kB
sheepdog.c 53.7 kB
vdi.c 30.5 kB
vmdk.c 45.7 kB
vpc.c 19.4 kB
vvfat.c 81 kB

Latest revisions

# Date Author Comment
3397f0cb 11/23/2011 06:04 pm Kevin Wolf

vvfat: Add migration blocker

vvfat caches more or less everything when in writable mode. For migration
to work, it would have to be invalidated. Block migration for now when
in writable mode (default is readonly).

Signed-off-by: Kevin Wolf <>
612ff3d8 11/23/2011 06:04 pm Kevin Wolf

vpc: Add migration blocker

vpc caches the BAT. For migration to work, it would have to be
invalidated. Block migration for now.

Signed-off-by: Kevin Wolf <>
2bc3166c 11/23/2011 06:04 pm Kevin Wolf

vmdk: Add migration blocker

VMDK caches L2 tables. For migration to work, they would have to be
invalidated. Block migration for now.

Signed-off-by: Kevin Wolf <>
fc9d106c 11/23/2011 06:04 pm Kevin Wolf

vdi: Add migration blocker

vdi caches the block map. For migration to work, it would have to be
invalidated. Block migration for now.

Signed-off-by: Kevin Wolf <>
fd9f102c 11/23/2011 06:03 pm Kevin Wolf

qcow: Add migration blocker

qcow caches L2 tables. For migration to work, they would have to be
invalidated. Block migration for now.

Signed-off-by: Kevin Wolf <>
c3fecea5 11/22/2011 11:33 am Dong Xu Wang

sheepdog: Avoid deadlock in error path

s->lock should be unlocked before leaving add_aio_request.

Signed-off-by: Dong Xu Wang <>
Signed-off-by: Kevin Wolf <>
2923d34f 11/21/2011 11:05 pm Stefan Weil

Include zlib.h using #include <>

zlib.h is not a local include file, therefore it should be included
using <> instead of "".

Signed-off-by: Stefan Weil <>
Signed-off-by: Anthony Liguori <>
06d9260f 11/21/2011 10:58 pm Anthony Liguori

qcow2: implement bdrv_invalidate_cache (v2)

We don't reopen the actual file, but instead invoke the close and open routines.
We specifically ignore the backing file since it's contents are read-only and
therefore immutable.

Signed-off-by: Anthony Liguori <>
1ed520c6 11/21/2011 10:58 pm Anthony Liguori

qed: add migration blocker (v2)

Now when you try to migrate with qed, you get:

(qemu) migrate tcp:localhost:1025
Block format 'qed' used by device 'ide0-hd0' does not support feature 'live migration'
(qemu)

Signed-off-by: Anthony Liguori <>
eb489bb1 11/11/2011 03:02 pm Kevin Wolf

block: Introduce bdrv_co_flush_to_os

qcow2 has a writeback metadata cache, so flushing a qcow2 image actually
consists of writing back that cache to the protocol and only then flushes the
protocol in order to get everything stable on disk.

This introduces a separate bdrv_co_flush_to_os to reflect the split....

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