Paolo Bonzini 260a82e524 raw-posix: implement write_zeroes with MAY_UNMAP for files ...

Writing zeroes to a file can be done by punching a hole if
MAY_UNMAP is set.

Note that in this case ENOTSUP is not ignored, but makes
the block layer fall back to the generic implementation.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

2013-12-03 15:26:49 +01:00

..

backup.c

block: introduce BDRV_REQ_MAY_UNMAP request flag

2013-11-28 10:30:51 +01:00

blkdebug.c

blkdebug: add "remove_break" command

2013-11-29 13:40:37 +01:00

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

COW: Extend checking allocated bits to beyond one sector

2013-11-29 13:40:36 +01:00

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

block/iscsi: check WRITE SAME support differently depending on MAY_UNMAP

2013-12-03 15:26:49 +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

block: per caller dirty bitmap

2013-11-29 13:40:33 +01:00

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

qapi: Change BlockDirtyInfo to list

2013-11-29 13:40:36 +01:00

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 drivers: expose requirement for write same alignment from formats

2013-12-03 15:26:49 +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 drivers: expose requirement for write same alignment from formats

2013-12-03 15:26:49 +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

raw-posix: implement write_zeroes with MAY_UNMAP for files

2013-12-03 15:26:49 +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: support user-defined redundancy option

2013-11-29 13:40:37 +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 drivers: add discard/write_zeroes properties to bdrv_get_info implementation

2013-12-03 15:26:49 +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 - add log write support

2013-11-07 13:58:59 +01:00

vhdx.c

block drivers: add discard/write_zeroes properties to bdrv_get_info implementation

2013-12-03 15:26:49 +01:00

vhdx.h

block: vhdx - add .bdrv_create() support

2013-11-07 13:58:59 +01:00

vmdk.c

block drivers: expose requirement for write same alignment from formats

2013-12-03 15:26:49 +01:00

vpc.c

block drivers: add discard/write_zeroes properties to bdrv_get_info implementation

2013-12-03 15:26:49 +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