xemu/block
Hu Tao 0e4271b711 qcow2: Add falloc and full preallocation option
preallocation=falloc allocates disk space by posix_fallocate(),
preallocation=full allocates disk space by writing zeros to disk.
Both modes imply preallocation=metadata.

Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-09-12 15:43:06 +02:00
..
accounting.c block: Make the block accounting functions operate on BlockAcctStats 2014-09-10 10:41:29 +02:00
archipelago.c block: round up file size to nearest sector 2014-09-12 15:43:06 +02:00
backup.c block/backup: Fix hang for unaligned image size 2014-07-09 15:50:11 +02:00
blkdebug.c blkdebug: Delete BH in bdrv_aio_cancel 2014-08-22 11:07:00 +02:00
blkverify.c blkverify: Fix leak of opts in blkverify_open 2014-08-29 17:10:18 +01:00
bochs.c block: Use g_new() & friends to avoid multiplying sizes 2014-08-20 11:51:28 +02:00
cloop.c cloop: Handle failure for potentially large allocations 2014-08-15 15:07:15 +02:00
commit.c block: extend block-commit to accept a string for the backing file 2014-07-01 10:47:01 +02:00
cow.c block: round up file size to nearest sector 2014-09-12 15:43:06 +02:00
curl.c curl: The macro that you have to uncomment to get debugging is DEBUG_CURL. 2014-09-02 22:38:16 +04:00
dmg.c dmg: Handle failure for potentially large allocations 2014-08-15 15:07:15 +02:00
gluster.c block: don't convert file size to sector size 2014-09-12 15:43:06 +02:00
iscsi.c block: round up file size to nearest sector 2014-09-12 15:43:06 +02:00
linux-aio.c linux-aio: avoid deadlock in nested aio_poll() calls 2014-08-29 15:59:17 +01:00
Makefile.objs block: Extract the block accounting code 2014-09-10 10:41:29 +02:00
mirror.c mirror: fix uninitialized variable delay_ns warnings 2014-08-28 13:42:25 +01:00
nbd-client.c nbd: implement .bdrv_detach/attach_aio_context() 2014-06-04 09:56:11 +02:00
nbd-client.h nbd: implement .bdrv_detach/attach_aio_context() 2014-06-04 09:56:11 +02:00
nbd.c nbd: Implement bdrv_refresh_filename() 2014-08-20 14:31:56 +02:00
nfs.c block: round up file size to nearest sector 2014-09-12 15:43:06 +02:00
parallels.c block: Use g_new() & friends to avoid multiplying sizes 2014-08-20 11:51:28 +02:00
qapi.c block: rename BlockAcctType members to start with BLOCK_ instead of BDRV_ 2014-09-10 10:41:29 +02:00
qcow2-cache.c qcow2: Use g_try_new0() for cache array 2014-08-20 11:51:28 +02:00
qcow2-cluster.c block: Use g_new() & friends where that makes obvious sense 2014-08-20 11:51:28 +02:00
qcow2-refcount.c block: Use g_new() & friends where that makes obvious sense 2014-08-20 11:51:28 +02:00
qcow2-snapshot.c block: Use g_new() & friends where that makes obvious sense 2014-08-20 11:51:28 +02:00
qcow2.c qcow2: Add falloc and full preallocation option 2014-09-12 15:43:06 +02:00
qcow2.h qcow2: Add runtime options for cache sizes 2014-08-20 11:51:28 +02:00
qcow.c block: don't convert file size to sector size 2014-09-12 15:43:06 +02:00
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 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 qed: use BlockDriverState's AioContext 2014-06-04 09:56:11 +02:00
qed.c block: round up file size to nearest sector 2014-09-12 15:43:06 +02:00
qed.h qed: Make qiov match request size until backing file EOF 2014-07-14 12:03:20 +02:00
quorum.c quorum: Fix leak of opts in quorum_open 2014-08-29 17:10:18 +01:00
raw_bsd.c block: Add Error argument to bdrv_refresh_limits() 2014-07-18 13:18:43 +01:00
raw-aio.h linux-aio: implement io plug, unplug and flush io queue 2014-07-07 11:05:17 +02:00
raw-posix.c raw-posix: Add falloc and full preallocation option 2014-09-12 15:43:06 +02:00
raw-win32.c block: don't convert file size to sector size 2014-09-12 15:43:06 +02:00
rbd.c block: round up file size to nearest sector 2014-09-12 15:43:06 +02:00
sheepdog.c block: round up file size to nearest sector 2014-09-12 15:43:06 +02:00
snapshot.c Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
ssh.c block: round up file size to nearest sector 2014-09-12 15:43:06 +02:00
stream.c block: Add Error argument to bdrv_refresh_limits() 2014-07-18 13:18:43 +01:00
vdi.c block: round up file size to nearest sector 2014-09-12 15:43:06 +02:00
vhdx-endian.c block: VHDX endian fixes 2014-08-15 15:07:14 +02:00
vhdx-log.c block: Drop some superfluous casts from void * 2014-08-20 11:51:28 +02:00
vhdx.c block: round up file size to nearest sector 2014-09-12 15:43:06 +02:00
vhdx.h block: VHDX endian fixes 2014-08-15 15:07:14 +02:00
vmdk.c block: round up file size to nearest sector 2014-09-12 15:43:06 +02:00
vpc.c block: round up file size to nearest sector 2014-09-12 15:43:06 +02:00
vvfat.c block/vvfat.c: remove debugging code to reinit stderr if NULL 2014-08-21 10:36:29 +02:00
win32-aio.c raw-win32: Handle failure for potentially large allocations 2014-08-15 15:07:16 +02:00