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xemu/include/block
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Kevin Wolf 738301e117 file-posix: Support BDRV_REQ_NO_FALLBACK for zero writes 
We know that the kernel implements a slow fallback code path for
BLKZEROOUT, so if BDRV_REQ_NO_FALLBACK is given, we shouldn't call it.
The other operations we call in the context of .bdrv_co_pwrite_zeroes
should usually be quick, so no modification should be needed for them.
If we ever notice that there are additional problematic cases, we can
still make these conditional as well.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Eric Blake <eblake@redhat.com>
2019-03-26 11:37:51 +01:00
..
accounting.h block/accounting: introduce latency histogram 2018-03-19 14:58:37 -05:00
aio-wait.h block: Use a single global AioWait 2018-09-25 15:50:15 +02:00
aio.h qemu-timer: introduce timer attributes 2018-10-19 13:44:03 +02:00
block_backup.h block/backup: drop unused synchronization interface 2018-12-14 11:52:40 +01:00
block_int.h block: Add a 'mutable_opts' field to BlockDriver 2019-03-12 20:30:14 +01:00
block.h block: Add BDRV_REQ_NO_FALLBACK 2019-03-26 11:37:51 +01:00
blockjob_int.h block: Really pause block jobs on drain 2018-06-18 15:03:25 +02:00
blockjob.h block: Use a single global AioWait 2018-09-25 15:50:15 +02:00
dirty-bitmap.h bitmaps: Fix typo in function name 2019-03-12 12:05:49 -04:00
nbd.h nbd: allow authorization with nbd-server-start QMP command 2019-03-06 11:05:27 -06:00
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
qdict.h block: Factor out qobject_input_visitor_new_flat_confused() 2018-06-15 14:49:44 +02:00
raw-aio.h file-posix: Support BDRV_REQ_NO_FALLBACK for zero writes 2019-03-26 11:37:51 +01:00
snapshot.h block/snapshot: remove bdrv_snapshot_delete_by_id_or_name 2019-02-25 15:03:18 +01:00
thread-pool.h Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
throttle-groups.h throttle-groups: fix restart coroutine iothread race 2019-01-24 10:02:28 +00:00
write-threshold.h Use scripts/clean-includes to drop redundant qemu/typedefs.h 2016-03-22 22:20:16 +01:00