motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-08 18:23:57 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

nbd: Implement server use of NBD FAST_ZERO

Browse source 
The server side is fairly straightforward: we can always advertise
support for detection of fast zero, and implement it by mapping the
request to the block layer BDRV_REQ_NO_FALLBACK.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190823143726.27062-5-eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
[eblake: update iotests 223, 233]
This commit is contained in:
Eric Blake 2019-08-23 09:37:25 -05:00
parent f061656cc3
commit b491dbb7f8
3 changed files with 8 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

2
tests/qemu-iotests/233.out
View file

@ -37,7 +37,7 @@ disk size: unavailable
exports available: 1
export: ''
size: 67108864
flags: 0x4ed ( flush fua trim zeroes df cache )
flags: 0xced ( flush fua trim zeroes df cache fast-zero )
min block: 1
opt block: 4096
max block: 33554432