From: Christoph Hellwig <hch@lst.de>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>, Carlos Maiolino <cem@kernel.org>,
linux-xfs@vger.kernel.org
Subject: Re: [PATCH 02/10] xfs: set lv_bytes in xlog_write_one_vec
Date: Wed, 5 Nov 2025 14:27:19 +0100 [thread overview]
Message-ID: <20251105132719.GA20048@lst.de> (raw)
In-Reply-To: <20251104233930.GP196370@frogsfrogsfrogs>
On Tue, Nov 04, 2025 at 03:39:30PM -0800, Darrick J. Wong wrote:
> > The unmount format is smaller than an opheader, so we won't split it
> > because of that, but unless I'm misreading things it could fix a bug
> > where we'd not get a new iclog when needed for it otherwise?
>
> Yeah, I think that's theoretically possible. I wonder what that would
> look like to generic/388 though? I haven't seen any problems with log
> recovery for a while other than the large xattr thing, so maybe it's not
> worth worrying about.
If we don't split a copy we'd need to we'd either overrun the buffer
or something catches it before trying to do that (hopefully). So I
guess it simply doesn't happen, probably because it is so small that
the accounting slack for the continuation opheaders catches it somehow.
next prev parent reply other threads:[~2025-11-05 13:27 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-30 14:49 cleanup log item formatting v2 Christoph Hellwig
2025-10-30 14:49 ` [PATCH 01/10] xfs: add a xlog_write_one_vec helper Christoph Hellwig
2025-10-31 23:59 ` Darrick J. Wong
2025-10-30 14:49 ` [PATCH 02/10] xfs: set lv_bytes in xlog_write_one_vec Christoph Hellwig
2025-11-01 0:04 ` Darrick J. Wong
2025-11-03 10:43 ` Christoph Hellwig
2025-11-04 23:39 ` Darrick J. Wong
2025-11-05 13:27 ` Christoph Hellwig [this message]
2025-11-05 22:13 ` Darrick J. Wong
2025-10-30 14:49 ` [PATCH 03/10] xfs: improve the ->iop_format interface Christoph Hellwig
2025-11-01 0:15 ` Darrick J. Wong
2025-10-30 14:49 ` [PATCH 04/10] xfs: move struct xfs_log_iovec to xfs_log_priv.h Christoph Hellwig
2025-11-01 1:16 ` Darrick J. Wong
2025-10-30 14:49 ` [PATCH 05/10] xfs: move struct xfs_log_vec " Christoph Hellwig
2025-11-01 1:16 ` Darrick J. Wong
2025-10-30 14:49 ` [PATCH 06/10] xfs: regularize iclog space accounting in xlog_write_partial Christoph Hellwig
2025-11-04 23:53 ` Darrick J. Wong
2025-11-05 13:27 ` Christoph Hellwig
2025-10-30 14:49 ` [PATCH 07/10] xfs: improve the calling convention for the xlog_write helpers Christoph Hellwig
2025-11-01 3:26 ` Darrick J. Wong
2025-11-03 10:46 ` Christoph Hellwig
2025-11-04 23:40 ` Darrick J. Wong
2025-11-05 13:28 ` Christoph Hellwig
2025-10-30 14:49 ` [PATCH 08/10] xfs: add a xlog_write_space_left helper Christoph Hellwig
2025-11-01 3:27 ` Darrick J. Wong
2025-10-30 14:49 ` [PATCH 09/10] xfs: improve the iclog space assert in xlog_write_iovec Christoph Hellwig
2025-11-04 23:45 ` Darrick J. Wong
2025-10-30 14:49 ` [PATCH 10/10] xfs: factor out a xlog_write_space_advance helper Christoph Hellwig
2025-11-04 23:46 ` Darrick J. Wong
-- strict thread matches above, loose matches on Subject: below --
2025-11-12 12:14 cleanup log item formatting v3 Christoph Hellwig
2025-11-12 12:14 ` [PATCH 02/10] xfs: set lv_bytes in xlog_write_one_vec Christoph Hellwig
2025-11-14 16:55 ` Darrick J. Wong
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