Re: [Qemu-devel] [PATCH] hostmem-file: add a property 'notrunc' to avoid data corruption

[Eduardo Habkost]

On Thu, Oct 20, 2016 at 03:55:22PM +0200, Kevin Wolf wrote:
> Am 20.10.2016 um 14:34 hat Igor Mammedov geschrieben:
> > >  #ifdef __linux__
> > > +static uint64_t get_file_size(const char *path, Error **errp)
> > Maybe QEMU laredy has an utility to do it that could be shared,
> > CCing block maintainers.
> 
> We have quite a bit of code for determining the right size of a file
> (including block devices) on different platforms and devices. See the
> .bdrv_getlength implementations in raw-posix.c and raw-win32.c.
> 
> However, none of them are made for consumption outside the block layer.

There's a patch on qemu-devel archives from 2015:
  Subject [PATCH v7 11/35] util: introduce qemu_file_getlength()
it could be reused here.

-- 
Eduardo