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root / block @ 91bea4e2

Name Size
Makefile.objs 912 Bytes
backup.c 9.8 kB
blkdebug.c 17.4 kB
blkverify.c 11.7 kB
bochs.c 7.1 kB
cloop.c 5.9 kB
commit.c 7.3 kB
cow.c 9.6 kB
curl.c 19 kB
dmg.c 10.3 kB
gluster.c 18.2 kB
iscsi.c 36.3 kB
linux-aio.c 5.5 kB
mirror.c 18.7 kB
nbd.c 19 kB
parallels.c 4.8 kB
qapi.c 15.1 kB
qcow.c 27.8 kB
qcow2-cache.c 7.8 kB
qcow2-cluster.c 44 kB
qcow2-refcount.c 44.5 kB
qcow2-snapshot.c 18.7 kB
qcow2.c 53.8 kB
qcow2.h 13 kB
qed-check.c 6.5 kB
qed-cluster.c 5.1 kB
qed-gencb.c 688 Bytes
qed-l2-cache.c 5.9 kB
qed-table.c 8.4 kB
qed.c 46 kB
qed.h 10.8 kB
raw-aio.h 1.6 kB
raw-posix.c 49.6 kB
raw-win32.c 16.5 kB
raw.c 3.9 kB
rbd.c 26.2 kB
sheepdog.c 64.1 kB
snapshot.c 4.1 kB
ssh.c 29.2 kB
stream.c 6.7 kB
vdi.c 24.8 kB
vhdx.c 30.4 kB
vhdx.h 14.8 kB
vmdk.c 52.8 kB
vpc.c 23.7 kB
vvfat.c 84.5 kB
win32-aio.c 5.9 kB

Latest revisions

# Date Author Comment
7e4d5a9f 07/17/2013 06:01 pm Peter Lieven

iscsi: remove support for misaligned nb_sectors in aio_readv

this hask is not working (anymore). support for misaligned offsets should
be handled at the block layer.

Signed-off-by: Peter Lieven <>
Cc:
Signed-off-by: Paolo Bonzini <>
91bea4e2 07/17/2013 06:01 pm Peter Lieven

iscsi: assert that sectors are aligned to LUN blocksize

if the blocksize of an iSCSI LUN is bigger than the BDRV_SECTOR_SIZE
it is possible that sector_num or nb_sectors are not correctly
aligned.

to avoid corruption we fail requests which are misaligned....
d3bda7bc 07/17/2013 06:00 pm Peter Lieven

iscsi: fix -ENOSPC in iscsi_create()

the -ENOPSC case did not work due to the missing goto.

Reported-by: Kevin Wolf <>
Signed-off-by: Peter Lieven <>
Cc:
Signed-off-by: Paolo Bonzini <>
0a53f010 07/17/2013 06:00 pm Ronnie Sahlberg

Fix iSCSI crash on SG_IO with an iovector

Don't assume that SG_IO is always invoked with a simple buffer,
check the iovec_count and if it is >= 1 then we need to pass an array
of iovectors to libiscsi instead of just a plain buffer.

Signed-off-by: Ronnie Sahlberg <>...
98289620 07/15/2013 10:49 am Kevin Wolf

block: Don't parse protocol from file.filename

One of the major reasons for doing something new for -blockdev and
blockdev-add was that the old block layer code parses filenames instead
of just taking them literally. So we should really leave it untouched...
da7a50f9 07/05/2013 10:40 am Fam Zheng

vmdk: Implement .bdrv_has_zero_init

Depending on the subformat, has_zero_init queries underlying storage for
flat extent. If it has a flat extent and its underlying storage doesn't
have zero init, return 0. Otherwise return 1.

Aligns the operator assignments....
3494d650 07/05/2013 10:40 am Fam Zheng

curl: refuse to open URL from HTTP server without range support

CURL driver requests partial data from server on guest IO req. For HTTP
and HTTPS, it uses "Range: ***" in requests, and this will not work if
server not accepting range. This patch does this check when open....
3ac21627 06/28/2013 02:52 pm Peter Lieven

block: change default of .has_zero_init to 0

.has_zero_init defaults to 1 for all formats and protocols.

this is a dangerous default since this means that all
new added drivers need to manually overwrite it to 0 if
they do not ensure that a device is zero initialized...
72c6cc94 06/28/2013 11:21 am Kevin Wolf

vpc: Implement .bdrv_has_zero_init

Depending on the subformat, has_zero_init on VHD must behave like raw
and query the underlying storage (fixed) or like other sparse formats
that can always return 1 (dynamic, differencing).

Signed-off-by: Kevin Wolf <>
8ed610a1 06/28/2013 10:20 am Fam Zheng

vmdk: remove wrong calculation of relative path

When creating image with backing file, the driver tries to calculate the
relative path from created image file to backing file, but the path
computation is incorrect. e.g.:

$ qemu-img create -f vmdk -b vmdk-data-disk.vmdk vmdk-data-snapshot1...

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