From: Goldwyn Rodrigues <rgoldwyn@suse.de>
To: linux-fsdevel@vger.kernel.org
Cc: hch@lst.de, linux-unionfs@vger.kernel.org, david@fromorbit.com,
viro@zeniv.linux.org.uk
Subject: [PATCH v2 0/4] Enable holes in copy_file_range()
Date: Wed, 9 May 2018 20:58:16 -0500 [thread overview]
Message-ID: <20180510015820.17700-1-rgoldwyn@suse.de> (raw)
If copy_file_range performs a copy using splice, it converts holes
to zeros. This effort primarily changes this behavior to create
holes when it is possible.
Even if copy_file_range() or clone_file_range() does not work for different
mounted filesystems, We should be able to splice files if they do not
belong the same super_block.
Changes since v1:
- Fixed bug when hole/data offset is farther than len
- [Amir] Refactor flags parameter
Changes since v0:
- [Amir] Carved out do_copy_file_range() which can be used by overlayfs
--
Goldwyn
next reply other threads:[~2018-05-10 1:58 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-10 1:58 Goldwyn Rodrigues [this message]
2018-05-10 1:58 ` [PATCH 1/4] copy_file_range: refactor vfs_copy_file_range Goldwyn Rodrigues
2018-05-10 1:58 ` [PATCH 2/4] copy_file_range: Perform splice if in/out SB are not same Goldwyn Rodrigues
2018-05-10 1:58 ` [PATCH 3/4] copy_file_range: splice with holes Goldwyn Rodrigues
2018-05-10 4:42 ` Amir Goldstein
2018-05-10 5:49 ` Amir Goldstein
2018-05-10 1:58 ` [PATCH 4/4] ovl: Use do_copy_file_range() in copy_up_data() Goldwyn Rodrigues
2018-05-10 4:47 ` [PATCH v2 0/4] Enable holes in copy_file_range() Amir Goldstein
2018-05-10 10:45 ` Anna Schumaker
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180510015820.17700-1-rgoldwyn@suse.de \
--to=rgoldwyn@suse.de \
--cc=david@fromorbit.com \
--cc=hch@lst.de \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-unionfs@vger.kernel.org \
--cc=viro@zeniv.linux.org.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).