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!
next prev parent 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
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