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qemu/block
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Max Reitz a46fc9c950 block: Prepare remaining BB functions for NULL BDS 
There are several BlockBackend functions which, in theory, cannot fail.
This patch makes them cope with the BlockDriverState pointer being NULL
by making them fall back to some default action like ignoring the value
in setters and returning the default in getters.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-10-23 18:18:23 +02:00
..
accounting.c block: Remove wr_highest_sector from BlockAcctStats 2015-10-23 18:18:23 +02:00
archipelago.c block: remove superfluous '\n' around error_report/error_setg 2015-03-10 08:15:33 +03:00
backup.c block: Move I/O status and error actions into BB 2015-10-23 18:18:23 +02:00
blkdebug.c blkdebug: Don't confuse image as backing file 2015-10-16 15:35:48 +02:00
blkverify.c blkverify: Fix BDS leak in .bdrv_open error path 2015-10-16 15:34:30 +02:00
block-backend.c block: Prepare remaining BB functions for NULL BDS 2015-10-23 18:18:23 +02:00
bochs.c block: Convert bs->file to BdrvChild 2015-10-16 15:34:29 +02:00
cloop.c block: Convert bs->file to BdrvChild 2015-10-16 15:34:29 +02:00
commit.c block: Move I/O status and error actions into BB 2015-10-23 18:18:23 +02:00
curl.c block/curl: Don't lose original error when a connection fails. 2015-07-14 21:50:13 -04:00
dmg.c block: Convert bs->file to BdrvChild 2015-10-16 15:34:29 +02:00
gluster.c block: don't convert file size to sector size 2014-09-12 15:43:06 +02:00
io.c block: Move BlockAcctStats into BlockBackend 2015-10-23 18:18:23 +02:00
iscsi.c block/iscsi: validate block size returned from target 2015-09-07 18:14:03 +02:00
linux-aio.c linux-aio: simplify removal of completed iocbs from the list 2014-12-12 16:57:55 +00:00
Makefile.objs block: convert quorum blockdrv to use crypto APIs 2015-07-08 13:11:01 +02:00
mirror.c block: Move I/O status and error actions into BB 2015-10-23 18:18:23 +02:00
nbd-client.c nbd: Set block size to BDRV_SECTOR_SIZE 2015-03-18 12:07:01 +01:00
nbd-client.h nbd: Set block size to BDRV_SECTOR_SIZE 2015-03-18 12:07:01 +01:00
nbd.c nbd: convert to use the QAPI SocketAddress object 2015-09-25 12:04:40 +02:00
nfs.c block/nfs: cache allocated filesize for read-only files 2015-09-25 08:37:07 -04:00
null.c block/null: Support reopen 2015-04-28 15:36:09 +02:00
parallels.c block: Convert bs->file to BdrvChild 2015-10-16 15:34:29 +02:00
qapi.c block: Move I/O status and error actions into BB 2015-10-23 18:18:23 +02:00
qcow.c block: Convert bs->backing_hd to BdrvChild 2015-10-16 15:34:29 +02:00
qcow2-cache.c block: Convert bs->file to BdrvChild 2015-10-16 15:34:29 +02:00
qcow2-cluster.c block: Convert bs->backing_hd to BdrvChild 2015-10-16 15:34:29 +02:00
qcow2-refcount.c block: Convert bs->file to BdrvChild 2015-10-16 15:34:29 +02:00
qcow2-snapshot.c block: Convert bs->file to BdrvChild 2015-10-16 15:34:29 +02:00
qcow2.c block: Convert bs->backing_hd to BdrvChild 2015-10-16 15:34:29 +02:00
qcow2.h coroutine: move into libqemuutil.a library 2015-10-20 14:59:04 +01:00
qed-check.c block: Use g_new() & friends to avoid multiplying sizes 2014-08-20 11:51:28 +02:00
qed-cluster.c Use glib memory allocation and free functions 2011-08-20 23:01:08 -05:00
qed-gencb.c block: Rename BlockDriverCompletionFunc to BlockCompletionFunc 2014-10-20 13:41:27 +02:00
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 block: Convert bs->file to BdrvChild 2015-10-16 15:34:29 +02:00
qed.c block: Remove bdrv_swap() 2015-10-16 15:34:30 +02:00
qed.h qed: Really remove unused field QEDAIOCB.finished 2015-02-06 17:24:21 +01:00
quorum.c quorum: Convert to BdrvChild 2015-10-16 15:34:29 +02:00
raw-aio.h linux-aio: drop return code from laio_io_unplug and ioq_submit 2014-12-12 16:57:55 +00:00
raw-posix.c block: Make bdrv_is_inserted() return a bool 2015-10-23 18:18:22 +02:00
raw-win32.c block: switch from g_slice allocator to malloc 2015-10-12 11:17:45 +01:00
raw_bsd.c block/raw_bsd: Drop raw_is_inserted() 2015-10-23 18:18:23 +02:00
rbd.c rbd: fix ceph settings precedence 2015-07-14 17:15:23 +02:00
sheepdog.c sheepdog: refine discard support 2015-09-25 10:25:19 -04:00
snapshot.c block: Convert bs->file to BdrvChild 2015-10-16 15:34:29 +02:00
ssh.c block/ssh: remove dead code 2015-10-08 19:46:01 +03:00
stream.c block: Move I/O status and error actions into BB 2015-10-23 18:18:23 +02:00
throttle-groups.c block/throttle-groups: Make incref/decref public 2015-10-23 18:18:23 +02:00
vdi.c coroutine: move into libqemuutil.a library 2015-10-20 14:59:04 +01:00
vhdx-endian.c block: VHDX endian fixes 2014-08-15 15:07:14 +02:00
vhdx-log.c block: Convert bs->file to BdrvChild 2015-10-16 15:34:29 +02:00
vhdx.c block: Convert bs->file to BdrvChild 2015-10-16 15:34:29 +02:00
vhdx.h block: vhdx - update PAYLOAD_BLOCK_UNMAPPED value to match 1.00 spec 2014-12-12 15:42:22 +00:00
vmdk.c block: Convert bs->backing_hd to BdrvChild 2015-10-16 15:34:29 +02:00
vpc.c block: Convert bs->file to BdrvChild 2015-10-16 15:34:29 +02:00
vvfat.c block: Remove bdrv_swap() 2015-10-16 15:34:30 +02:00
win32-aio.c block: Rename BlockDriverCompletionFunc to BlockCompletionFunc 2014-10-20 13:41:27 +02:00
write-threshold.c coroutine: move into libqemuutil.a library 2015-10-20 14:59:04 +01:00