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Name Size
blkdebug.c 12.8 kB
bochs.c 6.6 kB
cloop.c 4.9 kB
cow.c 8.6 kB
curl.c 14.8 kB
dmg.c 8.3 kB
nbd.c 4.7 kB
parallels.c 4.4 kB
qcow.c 29.9 kB
qcow2-cluster.c 26.7 kB
qcow2-refcount.c 38.9 kB
qcow2-snapshot.c 12.4 kB
qcow2.c 40.4 kB
qcow2.h 6.9 kB
raw-posix-aio.h 1.3 kB
raw-posix.c 35.6 kB
raw-win32.c 11 kB
raw.c 3.5 kB
vdi.c 29.2 kB
vmdk.c 25.4 kB
vpc.c 17.9 kB
vvfat.c 80.3 kB

Latest revisions

# Date Author Comment
9ac228e0 07/06/2010 06:05 pm Kevin Wolf

qcow2/vdi: Change check to distinguish error cases

This distinguishes between harmless leaks and real corruption. Hopefully users
better understand what qemu-img check wants to tell them.

Signed-off-by: Kevin Wolf <>
327cdad4 07/02/2010 02:18 pm Kevin Wolf

blkdebug: Fix set_state_opts definition

The list head was initialized to point to the wrong list, so all actions ended
up being handled as inject-error even if they were set-state in fact.

Signed-off-by: Kevin Wolf <>
698f0d52 07/02/2010 02:18 pm Kevin Wolf

blkdebug: Free QemuOpts after having read the config

Forgetting to free them means that the next instance inherits all rules and
gets its own rules only additionally.

Signed-off-by: Kevin Wolf <>
8db520ce 07/02/2010 02:18 pm Kevin Wolf

blkdebug: Initialize state as 1

state = 0 in rules means that the rule is valid for any state. Therefore it's
impossible to have a rule that works only in the initial state. This changes
the initial state from 0 to 1 to make this possible.

Signed-off-by: Kevin Wolf <>
19dbcbf7 07/02/2010 02:18 pm Kevin Wolf

qcow2: Fix error handling during metadata preallocation

People were wondering why qemu-img check failed after they tried to preallocate
a large qcow2 file and ran out of disk space.

Signed-off-by: Kevin Wolf <>
8b3b7206 06/22/2010 03:38 pm Kevin Wolf

qcow2: Use bdrv_(p)write_sync for metadata writes

Use bdrv_(p)write_sync to ensure metadata integrity in case of a crash.

Signed-off-by: Kevin Wolf <>
b8852e87 06/22/2010 03:38 pm Kevin Wolf

vmdk: Use bdrv_(p)write_sync for metadata writes

Use bdrv_(p)write_sync to ensure metadata integrity in case of a crash.

Signed-off-by: Kevin Wolf <>
078a458e 06/22/2010 03:38 pm Kevin Wolf

vpc: Use bdrv_(p)write_sync for metadata writes

Use bdrv_(p)write_sync to ensure metadata integrity in case of a crash.

Signed-off-by: Kevin Wolf <>
6882c8fa 06/22/2010 03:38 pm Kevin Wolf

qcow2: Fix qemu-img check segfault on corrupted images

With corrupted images, we can easily get an cluster index that exceeds the
array size of the temporary refcount table.

Signed-off-by: Kevin Wolf <>
f74550fd 06/22/2010 03:38 pm Kevin Wolf

qcow2: Don't try to check tables that couldn't be loaded

Trying to check them leads to a second error message which is more confusing
than helpful:

Can't get refcount for cluster 0: Invalid argument
    ERROR cluster 0 refcount=-22 reference=1

Signed-off-by: Kevin Wolf <>

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