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f4a193e717
qemu/block
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Max Reitz f4a193e717 block/stream: Don't stream unbacked devices 
If a block device is unbacked, a streaming blockjob should immediately
finish instead of beginning to try to stream, then noticing the backing
file does not contain even the first sector (since it does not exist)
and then finishing normally.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-11-28 11:39:31 +01:00
..
backup.c block: introduce BDRV_REQ_MAY_UNMAP request flag 2013-11-28 10:30:51 +01:00
blkdebug.c blkdebug: Employ error parameter 2013-10-11 16:50:00 +02:00
blkverify.c blkverify: Employ error parameter 2013-10-11 16:50:00 +02:00
bochs.c bdrv: Use "Error" for opening images 2013-09-12 10:12:47 +02:00
cloop.c bdrv: Use "Error" for opening images 2013-09-12 10:12:47 +02:00
commit.c qapi: make use of new BlockJobType 2013-10-11 10:52:54 +02:00
cow.c block: Error parameter for create functions 2013-09-12 10:12:48 +02:00
curl.c bdrv: Use "Error" for opening images 2013-09-12 10:12:47 +02:00
dmg.c bdrv: Use "Error" for opening images 2013-09-12 10:12:47 +02:00
gluster.c block: introduce BlockDriver.bdrv_needs_filename to enable some drivers. 2013-09-25 16:21:28 +02:00
iscsi.c iscsi: add bdrv_co_write_zeroes 2013-11-28 10:30:52 +01:00
linux-aio.c aio: drop io_flush argument 2013-08-19 15:52:19 +02:00
Makefile.objs block: vhdx - log parsing, replay, and flush support 2013-11-07 13:58:58 +01:00
mirror.c qapi: make use of new BlockJobType 2013-10-11 10:52:54 +02:00
nbd.c bdrv: Use "Error" for opening images 2013-09-12 10:12:47 +02:00
parallels.c bdrv: Use "Error" for opening images 2013-09-12 10:12:47 +02:00
qapi.c block/qapi: Human-readable ImageInfoSpecific dump 2013-10-11 10:52:54 +02:00
qcow2-cache.c qcow2: Use negated overflow check mask 2013-10-11 16:50:00 +02:00
qcow2-cluster.c block: add flags to bdrv_*_write_zeroes 2013-11-28 10:30:51 +01:00
qcow2-refcount.c qcow2: Make overlap check mask variable 2013-10-11 16:50:00 +02:00
qcow2-snapshot.c qcow2: Use negated overflow check mask 2013-10-11 16:50:00 +02:00
qcow2.c block: add flags to bdrv_*_write_zeroes 2013-11-28 10:30:51 +01:00
qcow2.h qcow2: Add more overlap check bitmask macros 2013-10-11 16:50:00 +02:00
qcow.c block: Error parameter for create functions 2013-09-12 10:12:48 +02:00
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: add flags to bdrv_*_write_zeroes 2013-11-28 10:30:51 +01:00
qed.h block: qed - use QEMU_PACKED for on-disk structures 2013-09-25 20:51:15 +02:00
raw_bsd.c block/raw: copy BlockLimits on raw_open 2013-11-28 10:30:51 +01:00
raw-aio.h block: make discard asynchronous 2013-01-15 10:03:47 +01:00
raw-posix.c block: Print its file name if backing file opening failed 2013-11-14 13:09:06 +01:00
raw-win32.c block: Print its file name if backing file opening failed 2013-11-14 13:09:06 +01:00
rbd.c rbd: avoid qemu_rbd_snap_list() memory leaks 2013-09-25 16:22:00 +02:00
sheepdog.c sheepdog: implement .bdrv_get_allocated_file_size 2013-11-28 10:30:52 +01:00
snapshot.c bdrv: Use "Error" for opening images 2013-09-12 10:12:47 +02:00
ssh.c bdrv: Use "Error" for creating images 2013-09-12 10:12:48 +02:00
stream.c block/stream: Don't stream unbacked devices 2013-11-28 11:39:31 +01:00
vdi.c block: vdi - use QEMU_PACKED for on-disk structures 2013-09-25 20:51:05 +02:00
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 - add log write support 2013-11-07 13:58:59 +01:00
vhdx.c block: vhdx - add .bdrv_create() support 2013-11-07 13:58:59 +01:00
vhdx.h block: vhdx - add .bdrv_create() support 2013-11-07 13:58:59 +01:00
vmdk.c block: add flags to bdrv_*_write_zeroes 2013-11-28 10:30:51 +01:00
vpc.c block/vpc: fix virtual size for images created with disk2vhd 2013-11-07 13:58:58 +01:00
vvfat.c block: Error parameter for create functions 2013-09-12 10:12:48 +02:00
win32-aio.c win32-aio: drop win32_aio_flush_cb() 2013-08-22 22:05:04 +02:00