linux-xfs.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Christoph Hellwig <hch@infradead.org>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: Christoph Hellwig <hch@infradead.org>, linux-xfs@vger.kernel.org
Subject: Re: [PATCH 3/6] xfs: don't stall cowblocks scan if we can't take locks
Date: Mon, 18 Jan 2021 19:39:58 +0000	[thread overview]
Message-ID: <20210118193958.GA3171275@infradead.org> (raw)
In-Reply-To: <20210118193718.GI3134581@magnolia>

On Mon, Jan 18, 2021 at 11:37:18AM -0800, Darrick J. Wong wrote:
> Ah, I see, you're asking why don't I make xfs_inode_walk responsible for
> deciding what to do about EAGAIN, instead of open-coding that in the
> ->execute function.  That would be a nice cleanup since the walk
> function already has special casing for EFSCORRUPTED.
> 
> If I read you correctly, the relevant part of xfs_inode_walk becomes:
> 
> 	error = execute(batch[i]...);
> 	xfs_irele(batch[i]);
> 	if (error == -EAGAIN) {
> 		if (args->flags & EOF_SYNC)
> 			skipped++;
> 		continue;
> 	}
> 
> and the relevant part of xfs_inode_free_eofblocks becomes:
> 
> 	if (!xfs_ilock_nowait(ip, XFS_IOLOCK_EXCL))
> 		return -EAGAIN;
> 
> I think that would work, and afaict it won't cause any serious problems
> with the deferred inactivation series.

Exactly!

  reply	other threads:[~2021-01-18 19:41 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-11 23:22 [PATCHSET v2 0/6] xfs: try harder to reclaim space when we run out Darrick J. Wong
2021-01-11 23:22 ` [PATCH 1/6] xfs: hide most of the incore inode walk interface Darrick J. Wong
2021-01-13 14:34   ` Christoph Hellwig
2021-01-18 19:50     ` Darrick J. Wong
2021-01-11 23:22 ` [PATCH 2/6] xfs: refactor messy xfs_inode_free_quota_* functions Darrick J. Wong
2021-01-13 14:37   ` Christoph Hellwig
2021-01-11 23:22 ` [PATCH 3/6] xfs: don't stall cowblocks scan if we can't take locks Darrick J. Wong
2021-01-13 14:43   ` Christoph Hellwig
2021-01-14 21:54     ` Darrick J. Wong
2021-01-18 17:34       ` Christoph Hellwig
2021-01-18 19:37         ` Darrick J. Wong
2021-01-18 19:39           ` Christoph Hellwig [this message]
2021-01-18 19:44             ` Darrick J. Wong
2021-01-18 19:51               ` Christoph Hellwig
2021-01-11 23:22 ` [PATCH 4/6] xfs: xfs_inode_free_quota_blocks should scan project quota Darrick J. Wong
2021-01-13 14:45   ` Christoph Hellwig
2021-01-11 23:23 ` [PATCH 5/6] xfs: flush speculative space allocations when we run out of quota Darrick J. Wong
2021-01-12  1:22   ` Dave Chinner
2021-01-12  1:31     ` Darrick J. Wong
2021-01-12  1:40       ` Dave Chinner
2021-01-12  2:18         ` Darrick J. Wong
2021-01-14 22:10           ` Darrick J. Wong
2021-01-11 23:23 ` [PATCH 6/6] xfs: flush speculative space allocations when we run out of space Darrick J. Wong

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=20210118193958.GA3171275@infradead.org \
    --to=hch@infradead.org \
    --cc=djwong@kernel.org \
    --cc=linux-xfs@vger.kernel.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).