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root / block @ 50717e94

Name Size
Makefile.objs 795 Bytes
blkdebug.c 15.8 kB
blkverify.c 10.1 kB
bochs.c 7 kB
cloop.c 5.8 kB
commit.c 7.3 kB
cow.c 9.5 kB
curl.c 16.2 kB
dmg.c 8.7 kB
gluster.c 17 kB
iscsi.c 30.3 kB
linux-aio.c 5.5 kB
mirror.c 11.8 kB
nbd.c 16.3 kB
parallels.c 4.8 kB
qcow.c 27.2 kB
qcow2-cache.c 7.8 kB
qcow2-cluster.c 36.3 kB
qcow2-refcount.c 39.8 kB
qcow2-snapshot.c 18.6 kB
qcow2.c 50.6 kB
qcow2.h 11.4 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 47.4 kB
raw-win32.c 15.6 kB
raw.c 3.9 kB
rbd.c 24.6 kB
sheepdog.c 54.7 kB
stream.c 6.7 kB
vdi.c 24.3 kB
vmdk.c 48.6 kB
vpc.c 23 kB
vvfat.c 81.6 kB
win32-aio.c 5.9 kB

Latest revisions

# Date Author Comment
50717e94 01/25/2013 07:18 pm Paolo Bonzini

block: allow customizing the granularity of the dirty bitmap

Reviewed-by: Eric Blake <>
Signed-off-by: Paolo Bonzini <>
Signed-off-by: Kevin Wolf <>
8f0720ec 01/25/2013 07:18 pm Paolo Bonzini

block: implement dirty bitmap using HBitmap

This actually uses the dirty bitmap in the block layer, and converts
mirroring to use an HBitmapIter.

Reviewed-by: Laszlo Ersek <> (except block/mirror.c parts)
Reviewed-by: Eric Blake <>...
b812f671 01/25/2013 07:18 pm Paolo Bonzini

mirror: perform COW if the cluster size is bigger than the granularity

When mirroring runs, the backing files for the target may not yet be
ready. However, this means that a copy-on-write operation on the target
would fill the missing sectors with zeros. Copy-on-write only happens...
acc906c6 01/25/2013 07:18 pm Paolo Bonzini

block: return count of dirty sectors, not chunks

Reviewed-by: Laszlo Ersek <>
Reviewed-by: Eric Blake <>
Signed-off-by: Paolo Bonzini <>
Signed-off-by: Kevin Wolf <>
4790b03d 01/24/2013 04:37 pm Paolo Bonzini

iscsi: do not leak acb->buf when commands are aborted

acb->buf is freed in the WRITE callback, but this may not
get called at all when commands are aborted. Add another
free in the ABORT TASK callback, which requires setting acb->buf
to NULL everywhere....
7371d56f 01/24/2013 04:37 pm Peter Lieven

iscsi: add support for iovectors

This patch adds support for directly passing the iovec
array from QEMUIOVector if libiscsi supports it (1.8.0
or newer).

Signed-off-by: Peter Lieven <>
[Preserve the improvements from commit 4cc841b, iscsi: partly...
177f7fc6 01/23/2013 05:08 pm Anthony Liguori

Merge remote-tracking branch 'bonzini/scsi-next' into staging

  1. By Peter Lieven (3) and others
  2. Via Paolo Bonzini
    • bonzini/scsi-next:
      scsi: Drop useless null test in scsi_unit_attention()
      lsi: use qbus_reset_all to reset SCSI bus
      scsi: fix segfault with 0-byte disk...
de8864e5 01/22/2013 04:07 pm Peter Lieven

iscsi: add iscsi_create support

This patch adds support for bdrv_create. This allows e.g.
to use qemu-img to convert from any supported device to
an iscsi backed storage as destination.

Signed-off-by: Peter Lieven <>
Signed-off-by: Paolo Bonzini <>
4cc841b5 01/22/2013 04:07 pm Peter Lieven

iscsi: partly avoid iovec linearization in iscsi_aio_writev

libiscsi expects all write16 data in a linear buffer. If the
iovec only contains one buffer we can skip the linearization
step as well as the additional malloc/free and pass the
buffer directly....
5b5d34ec 01/22/2013 04:07 pm Peter Lieven

iscsi: add support for iSCSI NOPs [v2]

This patch will send NOP-Out PDUs every 5 seconds to the iSCSI target.
If a consecutive number of NOP-In replies fail a reconnect is initiated.
iSCSI NOPs help to ensure that the connection to the target is still operational....

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