linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Al Viro <viro@ZenIV.linux.org.uk>
To: Richard Weinberger <richard@nod.at>
Cc: Christoph Hellwig <hch@infradead.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	NeilBrown <neilb@suse.de>,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [RFC][PATCHSET] non-recursive link_path_walk() and reducing stack footprint
Date: Tue, 21 Apr 2015 16:45:04 +0100	[thread overview]
Message-ID: <20150421154504.GT889@ZenIV.linux.org.uk> (raw)
In-Reply-To: <553668C1.8030707@nod.at>

On Tue, Apr 21, 2015 at 05:12:01PM +0200, Richard Weinberger wrote:

> I'm pretty sure we can kill it. I had the plan to rip it out during this merge window
> along with other broken UML stuff but I was too late to ask on the UML mailinglist
> if someone is using it (which I really doubt).
> So, let's kill it with v4.2.

Let's do it.  Then ->put_link() is left in an interesting situation - *all*
instances only use the 'cookie' argument...

  reply	other threads:[~2015-04-21 15:45 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-20 18:12 [RFC][PATCHSET] non-recursive link_path_walk() and reducing stack footprint Al Viro
2015-04-20 18:12 ` [PATCH 01/24] lustre: rip the private symlink nesting limit out Al Viro
2015-04-20 19:08   ` Andreas Dilger
2015-04-20 19:22     ` Al Viro
2015-04-20 20:35       ` Al Viro
2015-04-20 18:12 ` [PATCH 02/24] VFS: replace {, total_}link_count in task_struct with pointer to nameidata Al Viro
2015-04-20 18:12 ` [PATCH 03/24] ovl: rearrange ovl_follow_link to it doesn't need to call ->put_link Al Viro
2015-04-20 18:12 ` [PATCH 04/24] VFS: replace nameidata arg to ->put_link with a char* Al Viro
2015-04-20 18:12 ` [PATCH 05/24] SECURITY: remove nameidata arg from inode_follow_link Al Viro
2015-04-20 18:12 ` [PATCH 06/24] VFS: remove nameidata args from ->follow_link Al Viro
2015-04-20 18:12 ` [PATCH 07/24] namei: expand nested_symlink() in its only caller Al Viro
2015-04-20 18:12 ` [PATCH 08/24] namei.c: separate the parts of follow_link() that find the link body Al Viro
2015-04-20 18:12 ` [PATCH 09/24] namei: fold follow_link() into link_path_walk() Al Viro
2015-04-20 18:12 ` [PATCH 10/24] link_path_walk: handle get_link() returning ERR_PTR() immediately Al Viro
2015-04-20 18:12 ` [PATCH 11/24] link_path_walk: don't bother with walk_component() after jumping link Al Viro
2015-04-20 18:12 ` [PATCH 12/24] link_path_walk: turn inner loop into explicit goto Al Viro
2015-04-20 18:12 ` [PATCH 13/24] link_path_walk: massage a bit more Al Viro
2015-04-20 18:12 ` [PATCH 14/24] link_path_walk: get rid of duplication Al Viro
2015-04-20 18:12 ` [PATCH 15/24] link_path_walk: final preparations to killing recursion Al Viro
2015-04-20 18:13 ` [PATCH 16/24] link_path_walk: kill the recursion Al Viro
2015-04-20 21:04   ` Linus Torvalds
2015-04-20 21:32     ` Al Viro
2015-04-20 21:39       ` Linus Torvalds
2015-04-20 21:51         ` Al Viro
2015-04-20 21:41       ` Linus Torvalds
2015-04-20 21:42         ` Linus Torvalds
2015-04-20 21:59           ` Al Viro
2015-04-20 21:52         ` Al Viro
2015-04-20 18:13 ` [PATCH 17/24] link_path_walk: split "return from recursive call" path Al Viro
2015-04-20 18:13 ` [PATCH 18/24] link_path_walk: cleanup - turn goto start; into continue; Al Viro
2015-04-20 18:13 ` [PATCH 19/24] namei: fold may_follow_link() into follow_link() Al Viro
2015-04-20 18:13 ` [PATCH 20/24] namei: introduce nameidata->stack Al Viro
2015-04-20 18:13 ` [PATCH 21/24] namei: regularize use of put_link() and follow_link(), trim arguments Al Viro
2015-04-20 18:13 ` [PATCH 22/24] namei: trim the arguments of get_link() Al Viro
2015-04-20 18:13 ` [PATCH 23/24] new ->follow_link() and ->put_link() calling conventions Al Viro
2015-04-20 18:13 ` [PATCH 24/24] uninline walk_component() Al Viro
2015-04-21 14:49 ` [RFC][PATCHSET] non-recursive link_path_walk() and reducing stack footprint Al Viro
2015-04-21 15:04   ` Christoph Hellwig
2015-04-21 15:12     ` Richard Weinberger
2015-04-21 15:45       ` Al Viro [this message]
2015-04-21 16:46         ` Boaz Harrosh
2015-04-21 21:20         ` Al Viro
2015-04-22 18:07           ` Al Viro
2015-04-22 20:12             ` Al Viro
2015-04-22 21:05               ` Al Viro
2015-04-23  7:45                 ` NeilBrown
2015-04-23 18:07                   ` Al Viro
2015-04-24  6:35                     ` NeilBrown
2015-04-24 13:42                       ` Al Viro
2015-05-04  5:11                         ` Al Viro
2015-05-04  7:30                           ` NeilBrown
2015-04-23  5:01           ` Al Viro

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=20150421154504.GT889@ZenIV.linux.org.uk \
    --to=viro@zeniv.linux.org.uk \
    --cc=hch@infradead.org \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=neilb@suse.de \
    --cc=richard@nod.at \
    --cc=torvalds@linux-foundation.org \
    /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).