Re: [Qemu-devel] [PATCH v6 0/7] eliminate data write in bdrv_write_zeroes on Linux in raw-posix.c

[Kevin Wolf]

Am 30.01.2015 um 09:42 hat Denis V. Lunev geschrieben:
> I have performed several tests with non-aligned fallocate calls and
> in all cases (with non-aligned fallocates) Linux performs fine, i.e.
> areas are zeroed correctly. Checks were made on
> Linux 3.16.0-28-generic #38-Ubuntu SMP
> 
> This should seriously increase performance of bdrv_write_zeroes

Thanks, applied all to the block branch.

Note that I'm hoping to remove patch 7/7 from the queue again if we come
to the conclusion that changing the global default instead makes more
sense.

Kevin