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718c0fce2f
qemu/block
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Kevin Wolf 718c0fce2f qcow2: Fix full preallocation with external data file 
preallocate_co() already gave the data file the full size without
forwarding the requested preallocation mode to the protocol. When
bdrv_co_truncate() was called later with the preallocation mode, the
file didn't actually grow any more, so the data file stayed unallocated
even if full preallocation was requested.

Pass the right preallocation mode to preallocate_co() and remove the
second bdrv_co_truncate() to fix this. As a side effect, the ugly
one-byte write in preallocate_co() is replaced with a truncate call,
now leaving the last block unallocated on the protocol level as it
should be.

Cc: qemu-stable@nongnu.org
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2019-04-30 15:29:00 +02:00
..
accounting.c block/accounting: introduce latency histogram 2018-03-19 14:58:37 -05:00
backup.c block/backup: use qemu_iovec_init_buf 2019-02-22 09:42:13 +00:00
blkdebug.c block: Advertise BDRV_REQ_NO_FALLBACK in filter drivers 2019-03-26 11:37:51 +01:00
blklogwrites.c block: Purify .bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
blkreplay.c trivial: Make bios files and source files non-executable 2018-09-25 17:26:18 +02:00
blkverify.c block: Purify .bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
block-backend.c block: Add bdrv_get_request_alignment() 2019-04-01 08:46:52 -05:00
bochs.c avoid TABs in files that only contain a few 2019-01-11 15:46:56 +01:00
cloop.c block: Require auto-read-only for existing fallbacks 2018-11-05 15:09:55 +01:00
commit.c block: Freeze the backing chain for the duration of the commit job 2019-03-12 20:30:14 +01:00
copy-on-read.c block: Advertise BDRV_REQ_NO_FALLBACK in filter drivers 2019-03-26 11:37:51 +01:00
create.c jobs: utilize job_exit shim 2018-08-31 16:28:33 +02:00
crypto.c block: Make bdrv_{copy_on_read,crypto_luks,replication} static 2019-03-19 15:49:29 +01:00
crypto.h block/crypto: Simplify block_crypto_{open,create}_opts_init() 2018-06-29 14:20:56 +02:00
curl.c block/curl: Implement bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
dirty-bitmap.c bitmaps: Fix typo in function name 2019-03-12 12:05:49 -04:00
dmg-bz2.c dmg: Move libbz2 code to dmg-bz2.so 2016-10-07 14:14:06 +02:00
dmg-lzfse.c block: adding lzfse decompressing support as a module. 2018-12-14 11:52:40 +01:00
dmg.c dmg: don't skip zero chunk 2019-01-04 11:15:09 +00:00
dmg.h dmg: including dmg-lzfse module inside dmg block driver. 2018-12-14 11:52:40 +01:00
file-posix.c block/file-posix: do not fail on unlock bytes 2019-04-02 12:04:44 +02:00
file-win32.c avoid TABs in files that only contain a few 2019-01-11 15:46:56 +01:00
gluster.c block/gluster: limit the transfer size to 512 MiB 2019-04-02 12:04:44 +02:00
io.c block: Add BDRV_REQ_NO_FALLBACK 2019-03-26 11:37:51 +01:00
iscsi-opts.c Move include qemu/option.h from qemu-common.h to actual users 2018-02-09 13:52:16 +01:00
iscsi.c block/iscsi: Restrict Linux-specific code 2019-03-11 16:33:49 +01:00
linux-aio.c avoid TABs in files that only contain a few 2019-01-11 15:46:56 +01:00
Makefile.objs configure: adding support to lzfse library. 2018-12-14 11:52:40 +01:00
mirror.c block: Advertise BDRV_REQ_NO_FALLBACK in filter drivers 2019-03-26 11:37:51 +01:00
nbd-client.c nbd/client: Trace server noncompliance on structured reads 2019-04-01 08:58:04 -05:00
nbd-client.h nbd: Restrict connection_co reentrance 2019-02-25 15:03:19 +01:00
nbd.c nbd/client: Lower min_block for block-status, unaligned size 2019-03-30 20:52:19 -05:00
nfs.c block: Purify .bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
null.c block/null: Generate filename even with latency-ns 2019-02-25 15:11:27 +01:00
nvme.c block/nvme: Fix bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
parallels.c block/parallels: use QEMU_IOVEC_INIT_BUF 2019-02-22 09:42:13 +00:00
parallels.h Clean up includes 2018-02-09 05:05:11 +01:00
qapi.c qemu-img: Saner printing of large file sizes 2019-04-30 15:29:00 +02:00
qcow2-bitmap.c block/qcow2-bitmap: Allow resizes with persistent bitmaps 2019-03-12 14:57:38 -04:00
qcow2-cache.c qcow2: External file I/O 2019-03-08 12:26:46 +01:00
qcow2-cluster.c qcow2: Implement data-file-raw create option 2019-03-08 12:26:46 +01:00
qcow2-refcount.c qcow2: Support external data file in qemu-img check 2019-03-08 12:26:46 +01:00
qcow2-snapshot.c qcow2: Return error for snapshot operation with data file 2019-03-08 12:26:46 +01:00
qcow2.c qcow2: Fix full preallocation with external data file 2019-04-30 15:29:00 +02:00
qcow2.h block/qcow2-bitmap: Allow resizes with persistent bitmaps 2019-03-12 14:57:38 -04:00
qcow.c Block layer patches: 2019-02-26 19:04:47 +00:00
qed-check.c block: convert bdrv_check callback to coroutine_fn 2018-03-09 15:17:47 +01:00
qed-cluster.c qed: protect table cache with CoMutex 2017-07-17 11:34:11 +08:00
qed-l2-cache.c qed: protect table cache with CoMutex 2017-07-17 11:34:11 +08:00
qed-table.c block/qed: use qemu_iovec_init_buf 2019-02-22 09:42:13 +00:00
qed.c Block layer patches: 2019-02-26 19:04:47 +00:00
qed.h qed: protect table cache with CoMutex 2017-07-17 11:34:11 +08:00
quorum.c block: Purify .bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
raw-format.c block: Advertise BDRV_REQ_NO_FALLBACK in filter drivers 2019-03-26 11:37:51 +01:00
rbd.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
replication.c block: Make bdrv_{copy_on_read,crypto_luks,replication} static 2019-03-19 15:49:29 +01:00
sheepdog.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
snapshot.c block/snapshot: remove bdrv_snapshot_delete_by_id_or_name 2019-02-25 15:03:18 +01:00
ssh.c block/ssh: Do not report read/write/flush errors to the user 2019-04-17 21:21:49 +02:00
stream.c block: freeze the backing chain earlier in stream_start() 2019-04-02 12:04:44 +02:00
throttle-groups.c throttle-groups: fix restart coroutine iothread race 2019-01-24 10:02:28 +00:00
throttle.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
trace-events block/ssh: Do not report read/write/flush errors to the user 2019-04-17 21:21:49 +02:00
vdi.c block: Eliminate the S_1KiB, S_2KiB, ... macros 2019-02-01 13:46:45 +01:00
vhdx-endian.c block/vhdx: Don't take address of fields in packed structs 2018-11-05 15:09:54 +01:00
vhdx-log.c block/vhdx: Use IEC binary prefixes for size constants 2019-04-30 15:29:00 +02:00
vhdx.c block/vhdx: Use IEC binary prefixes for size constants 2019-04-30 15:29:00 +02:00
vhdx.h block/vhdx: Use IEC binary prefixes for size constants 2019-04-30 15:29:00 +02:00
vmdk.c vmdk: Set vmdk parent backing_format to vmdk 2019-04-30 15:29:00 +02:00
vpc.c vpc: unlock Coroutine lock to make IO submit Concurrently 2019-04-30 15:29:00 +02:00
vvfat.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
vxhs.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
win32-aio.c file-win32: Switch to byte-based callbacks 2018-05-15 16:11:41 +02:00
write-threshold.c qapi: Drop qapi_event_send_FOO()'s Error ** argument 2018-08-28 18:21:38 +02:00