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qemu/block
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Benoît Canet b5042a3622 block: Rewrite the snapshot authorization mechanism for block filters. 
This patch keep the recursive way of doing things but simplify it by giving
two responsabilities to all block filters implementors.

They will need to do two things:

-Set the is_filter field of their block driver to true.

-Implement the bdrv_recurse_is_first_non_filter method of their block driver like
it is done on the Quorum block driver. (block/quorum.c)

[Paolo Bonzini <pbonzini@redhat.com> pointed out that this patch changes
the semantics of blkverify, which now recurses down both bs->file and
s->test_file.
-- Stefan]

Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Benoit Canet <benoit@irqsave.net>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-03-13 14:23:27 +01:00
..
backup.c block: Switch BdrvTrackedRequest to byte granularity 2014-01-24 17:40:02 +01:00
blkdebug.c block: Remove bdrv_open_image()'s force_raw option 2014-02-21 21:02:22 +01:00
blkverify.c block: Rewrite the snapshot authorization mechanism for block filters. 2014-03-13 14:23:27 +01:00
bochs.c block: do not abuse EMEDIUMTYPE 2014-02-21 21:02:24 +01:00
cloop.c bdrv: Use "Error" for opening images 2013-09-12 10:12:47 +02:00
commit.c commit: Remove unused check 2013-12-20 16:26:16 +01:00
cow.c block: do not abuse EMEDIUMTYPE 2014-02-21 21:02:24 +01:00
curl.c curl: correctly propagate errors 2014-02-21 21:02:23 +01:00
dmg.c bdrv: Use "Error" for opening images 2013-09-12 10:12:47 +02:00
gluster.c gluster: Remove unused defines and header include 2014-03-05 15:58:32 +01:00
iscsi.c iscsi: Use bs->sg for everything else than disks 2014-03-05 16:58:20 +01:00
linux-aio.c aio: drop io_flush argument 2013-08-19 15:52:19 +02:00
Makefile.objs Block patches 2014-02-25 10:50:11 +00:00
mirror.c block: mirror - remove code cruft that has no function 2014-03-06 11:47:40 +01:00
nbd-client.c nbd: avoid uninitialized warnings 2013-12-16 10:12:20 +01:00
nbd-client.h nbd: pass export name as init argument 2013-12-16 10:12:20 +01:00
nbd.c nbd: correctly propagate errors 2014-02-21 21:02:22 +01:00
nfs.c block: add native support for NFS 2014-02-09 09:12:38 +01:00
parallels.c block: do not abuse EMEDIUMTYPE 2014-02-21 21:02:24 +01:00
qapi.c Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
qcow2-cache.c qcow2: Use negated overflow check mask 2013-10-11 16:50:00 +02:00
qcow2-cluster.c qcow2: Check bs->drv in copy_sectors() 2014-03-13 14:23:27 +01:00
qcow2-refcount.c qcow2-refcount: Sanitize refcount table entry 2014-03-13 14:23:27 +01:00
qcow2-snapshot.c block: Don't throw away errno via error_setg 2014-02-14 18:05:38 +01:00
qcow2.c block: Update image size in bdrv_invalidate_cache() 2014-03-13 14:23:27 +01:00
qcow2.h qcow2: remove n_start and n_end of qcow2_alloc_cluster_offset() 2014-02-09 09:12:39 +01:00
qcow.c block: do not abuse EMEDIUMTYPE 2014-02-21 21:02:24 +01:00
qed-check.c qed: mark image clean after repair succeeds 2012-08-10 10:25:12 +02:00
qed-cluster.c Use glib memory allocation and free functions 2011-08-20 23:01:08 -05:00
qed-gencb.c Use glib memory allocation and free functions 2011-08-20 23:01:08 -05:00
qed-l2-cache.c qed: do not evict in-use L2 table cache entries 2012-03-12 15:14:06 +01:00
qed-table.c misc: move include files to include/qemu/ 2012-12-19 08:32:39 +01:00
qed.c block: Update image size in bdrv_invalidate_cache() 2014-03-13 14:23:27 +01:00
qed.h block: qed - use QEMU_PACKED for on-disk structures 2013-09-25 20:51:15 +02:00
quorum.c block: Rewrite the snapshot authorization mechanism for block filters. 2014-03-13 14:23:27 +01:00
raw_bsd.c Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
raw-aio.h raw-posix: add support for write_zeroes on XFS and block devices 2013-12-03 15:26:49 +01:00
raw-posix.c block/raw-posix: Strip "file:" prefix on creation 2014-03-06 16:18:09 +01:00
raw-win32.c block/raw-win32: Strip "file:" prefix on creation 2014-03-06 16:18:12 +01:00
rbd.c Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
sheepdog.c block: Make bdrv_file_open() static 2014-02-21 21:02:22 +01:00
snapshot.c Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
ssh.c bdrv: Use "Error" for creating images 2013-09-12 10:12:48 +02:00
stream.c block: Update BlockLimits when they might have changed 2014-01-24 17:40:01 +01:00
vdi.c vdi: say why an image is bad 2014-02-21 21:02:24 +01:00
vhdx-endian.c block: vhdx - move more endian translations to vhdx-endian.c 2013-11-07 13:58:59 +01:00
vhdx-log.c block/vhdx: Error checking fixes 2014-01-31 22:05:03 +01:00
vhdx.c vhdx: correctly propagate errors 2014-02-21 21:02:23 +01:00
vhdx.h block: vhdx - improve error message, and .bdrv_check implementation 2013-12-20 09:11:58 +01:00
vmdk.c block/vmdk: do not report file offset for compressed extents 2014-02-28 18:59:07 +01:00
vpc.c block: do not abuse EMEDIUMTYPE 2014-02-21 21:02:24 +01:00
vvfat.c vvfat: correctly propagate errors 2014-02-21 21:02:23 +01:00
win32-aio.c win32-aio: drop win32_aio_flush_cb() 2013-08-22 22:05:04 +02:00