On 11.05.2014 19:26, Christoph Hellwig wrote:
On Tue, May 06, 2014 at 09:00:54PM +0200, Max Reitz wrote:
The current version of raw-posix always uses ioctl(FS_IOC_FIEMAP) if
FIEMAP is available; lseek with SEEK_HOLE/SEEK_DATA are not even
compiled in in this case. However, there may be implement
On Tue, May 06, 2014 at 09:00:54PM +0200, Max Reitz wrote:
> The current version of raw-posix always uses ioctl(FS_IOC_FIEMAP) if
> FIEMAP is available; lseek with SEEK_HOLE/SEEK_DATA are not even
> compiled in in this case. However, there may be implementations which
> support the latter but not t
Il 06/05/2014 21:00, Max Reitz ha scritto:
The current version of raw-posix always uses ioctl(FS_IOC_FIEMAP) if
FIEMAP is available; lseek with SEEK_HOLE/SEEK_DATA are not even
compiled in in this case. However, there may be implementations which
support the latter but not the former (e.g., NFSv4
On 07.05.2014 07:56, Markus Armbruster wrote:
Eric Blake writes:
On 05/06/2014 03:18 PM, Eric Blake wrote:
...if you are on a file system where SEEK_HOLE triggers the kernel
fallback of "entire file is allocated", but where FIEMAP is wired up for
that file system, would it make sense to have
Eric Blake writes:
> On 05/06/2014 03:18 PM, Eric Blake wrote:
>
>> ...if you are on a file system where SEEK_HOLE triggers the kernel
>> fallback of "entire file is allocated", but where FIEMAP is wired up for
>> that file system, would it make sense to have try_seek_hole return -1 in
>> situati
On 06.05.2014 23:47, Eric Blake wrote:
On 05/06/2014 03:18 PM, Eric Blake wrote:
...if you are on a file system where SEEK_HOLE triggers the kernel
fallback of "entire file is allocated", but where FIEMAP is wired up for
that file system, would it make sense to have try_seek_hole return -1 in
s
On 05/06/2014 03:18 PM, Eric Blake wrote:
> ...if you are on a file system where SEEK_HOLE triggers the kernel
> fallback of "entire file is allocated", but where FIEMAP is wired up for
> that file system, would it make sense to have try_seek_hole return -1 in
> situations where lseek(s->fd, 0, SE
On 06.05.2014 23:18, Eric Blake wrote:
On 05/06/2014 01:00 PM, Max Reitz wrote:
The current version of raw-posix always uses ioctl(FS_IOC_FIEMAP) if
FIEMAP is available; lseek with SEEK_HOLE/SEEK_DATA are not even
compiled in in this case. However, there may be implementations which
support the
On 05/06/2014 01:00 PM, Max Reitz wrote:
> The current version of raw-posix always uses ioctl(FS_IOC_FIEMAP) if
> FIEMAP is available; lseek with SEEK_HOLE/SEEK_DATA are not even
> compiled in in this case. However, there may be implementations which
> support the latter but not the former (e.g., N
