Max Reitz c6035964f8 block: Add BDRV_REQ_WRITE_UNCHANGED flag ... This flag signifies that a write request will not change the visible disk content. With this flag set, it is sufficient to have the BLK_PERM_WRITE_UNCHANGED permission instead of BLK_PERM_WRITE. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Message-id: 20180421132929.21610-4-mreitz@redhat.com Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>		2018-05-15 16:15:21 +02:00
..
accounting.h	block/accounting: introduce latency histogram	2018-03-19 14:58:37 -05:00
aio-wait.h	block: make BDRV_POLL_WHILE() re-entrancy safe	2018-03-12 11:07:37 +00:00
aio.h	aio: rename aio_context_in_iothread() to in_aio_context_home_thread()	2018-03-02 18:39:07 +01:00
block_backup.h	backup: Switch block_backup.h to byte-based	2017-07-10 13:18:06 +02:00
block_int.h	block: Merge .bdrv_co_writev{,_flags} in drivers	2018-05-15 16:11:41 +02:00
block.h	block: Add BDRV_REQ_WRITE_UNCHANGED flag	2018-05-15 16:15:21 +02:00
blockjob_int.h	blockjob: Introduce block_job_ratelimit_get_delay()	2018-05-15 16:11:50 +02:00
blockjob.h	blockjob: Add block_job_driver()	2018-05-15 16:11:50 +02:00
dirty-bitmap.h	dirty-bitmap: add locked state	2018-03-13 17:05:00 -04:00
nbd.h	nbd: BLOCK_STATUS for standard get_block_status function: client part	2018-03-13 15:43:48 -05:00
nvme.h	block: Move NVMe constants to a separate header	2018-02-08 09:22:03 +08:00
qapi.h	Drop superfluous includes of qapi-types.h and test-qapi-types.h	2018-02-09 05:05:11 +01:00
raw-aio.h	file-win32: Switch to byte-based callbacks	2018-05-15 16:11:41 +02:00
snapshot.h	Move include qemu/option.h from qemu-common.h to actual users	2018-02-09 13:52:16 +01:00
thread-pool.h	Clean up decorations and whitespace around header guards	2016-07-12 16:20:46 +02:00
throttle-groups.h	block: add throttle block filter driver	2017-09-06 10:12:02 +02:00
write-threshold.h	Use scripts/clean-includes to drop redundant qemu/typedefs.h	2016-03-22 22:20:16 +01:00