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root / block @ 9ccb258e

Name Size
bochs.c 7.2 kB
cloop.c 5 kB
cow.c 8.7 kB
curl.c 13.6 kB
dmg.c 8.3 kB
nbd.c 4.8 kB
parallels.c 4.8 kB
qcow.c 29.4 kB
qcow2.c 91.9 kB
raw-posix.c 37.8 kB
raw-win32.c 11.1 kB
vmdk.c 26.4 kB
vpc.c 17.2 kB
vvfat.c 80 kB

Latest revisions

# Date Author Comment
9ccb258e 06/16/2009 11:18 pm Kevin Wolf

qcow2: Change default cluster size to 64k

Larger cluster sizes mean less metadata. This has been discussion a few times,
let's do it now. This turns 64k clusters on by default for new images.

Signed-off-by: Kevin Wolf <>
Signed-off-by: Anthony Liguori <>

736d0c25 06/16/2009 11:18 pm Avi Kivity

raw-posix: open flags use BDRV_ namespace, not posix namespace

The flags argument to raw_common_open() contain bits defined by the BDRV_O_*
namespace, not the posix O_* namespace.

Adjust to use the correct constants.

Signed-off-by: Avi Kivity <>...

11a1feb6 06/16/2009 11:18 pm Avi Kivity

raw-posix: Remove O_RDWR when attempting to open a file read-only

When we open a file, we first attempt to open it read-write, then fall back
to read-only. Unfortunately we reuse the flags from the previous attempt,
so both attempts try to open the file with write permissions, and fail....

63ec93db 06/15/2009 03:04 pm Christoph Hellwig

raw-posix: cleanup ioctl methods

Rename raw_ioctl and raw_aio_ioctl to hdev_ioctl and hdev_aio_ioctl as they
are only used for the host device. Also only add them to the method table
for the cases where we need them (generic hdev if linux and linux CDROM)...

508c7cb3 06/15/2009 03:04 pm Christoph Hellwig

block: add bdrv_probe_device method

Add a bdrv_probe_device method to all BlockDriver instances implementing
host devices to move matching of host device types into the actual drivers.
For now we keep exacly the old matching behaviour based on the devices names,...

f3a5d3f8 06/15/2009 02:55 pm Christoph Hellwig

raw-posix: split hdev drivers

Instead of declaring one BlockDriver for all host devices declared one
for each type: a generic one for normal disk devices, a Linux floppy
driver and a CDROM driver for Linux and FreeBSD. This gets rid of a lot
of messy ifdefs and switching based on the type in the various removal...

90babde0 06/15/2009 02:53 pm Christoph Hellwig

raw-posix: add a raw_open_common helper

raw_open and hdev_open contain the same basic logic. Add a new
raw_open_common helper containing the guts of the open routine
and call it from raw_open and hdev_open.

We use the new open_flags field in BDRVRawState to allow passing...

0e1d8f4c 06/15/2009 02:53 pm Christoph Hellwig

raw-posix: always store open flags

Both the Linux floppy and the FreeBSD CDROM host device need to store
the open flags so that they can re-open the device later. Store the
open flags unconditionally to remove the ifdef mess and simply the
calling conventions for the later patches in the series....

db08adf5 06/06/2009 06:38 pm Kevin Wolf

qemu-img: Print available options with -o ?

This patch adds a small help text to each of the options in the block drivers
which can be displayed by using qemu-img create -f fmt -o ?

Signed-off-by: Kevin Wolf <>

f9e96436 05/28/2009 10:14 am Christoph Hellwig

vvfat: one more missing BlockDriver C99 initializer conversion

Signed-off-by: Christoph Hellwig <>
Signed-off-by: Anthony Liguori <>

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