Re: [PATCH v5 8/9] vfs: Add vfs_copy_file_range() support for pagecache copies

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Oct 14, 2015 at 11:27 AM, Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:
> On Wed, Oct 14, 2015 at 11:08:40AM -0700, Andy Lutomirski wrote:
>> > So what I'm hearing is that I should drop the reflink and dedup flags and change this system call only perform a full copy (with preserving of sparseness), correct?  I can make those changes, but only if everybody is in agreement that it's the best way forward.
>>
>> I personally rather like the reflink option.  That thing is quite useful.
>
> reflink is very useful, probably more useful than the copy actually. But it
> is different from a copy.  It should be a separate interface.

One might argue that reflink is like copy + immediate dedupe.  Also, I
can imagine there being network protocols over which you can't really
tell the difference between reflink and server-to-server copy.

--Andy

-- 
Andy Lutomirski
AMA Capital Management, LLC
--
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [Samba]     [Device Mapper]     [CEPH Development]
  Powered by Linux