From: Matthew Bobrowski <mbobrowski@mbobrowski.org>
To: Jan Kara <jack@suse.cz>
Cc: tytso@mit.edu, adilger.kernel@dilger.ca,
linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org,
hch@infradead.org, david@fromorbit.com, darrick.wong@oracle.com
Subject: Re: [PATCH v5 04/12] ext4: introduce new callback for IOMAP_REPORT
Date: Tue, 22 Oct 2019 12:55:35 +1100 [thread overview]
Message-ID: <20191022015535.GC5092@athena.bobrowski.net> (raw)
In-Reply-To: <20191021133715.GD25184@quack2.suse.cz>
On Mon, Oct 21, 2019 at 03:37:15PM +0200, Jan Kara wrote:
> On Mon 21-10-19 20:18:09, Matthew Bobrowski wrote:
> One nit below.
> > + ext4_es_find_extent_range(inode, &ext4_es_is_delayed,
> > + map->m_lblk, end, &es);
> > +
> > + if (!es.es_len || es.es_lblk > end)
> > + return false;
> > +
> > + if (es.es_lblk > map->m_lblk) {
> > + map->m_len = es.es_lblk - map->m_lblk;
> > + return false;
> > + }
> > +
> > + if (es.es_lblk <= map->m_lblk)
>
> This condition must be always true AFAICT.
That would make sense. I will remove this condition in v6.
> > + offset = map->m_lblk - es.es_lblk;
> > +
> > + map->m_lblk = es.es_lblk + offset;
> > + map->m_len = es.es_len - offset;
> > +
> > + return true;
> > +}
--<M>--
next prev parent reply other threads:[~2019-10-22 1:55 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-21 9:17 [PATCH v5 00/12] ext4: port direct I/O to iomap infrastructure Matthew Bobrowski
2019-10-21 9:17 ` [PATCH v5 01/12] ext4: move set iomap routines into separate helper ext4_set_iomap() Matthew Bobrowski
2019-10-21 13:23 ` Jan Kara
2019-10-23 6:31 ` Ritesh Harjani
2019-10-23 10:14 ` Matthew Bobrowski
2019-10-21 9:17 ` [PATCH v5 02/12] ext4: iomap that extends beyond EOF should be marked dirty Matthew Bobrowski
2019-10-21 13:28 ` Jan Kara
2019-10-22 1:49 ` Matthew Bobrowski
2019-10-23 6:35 ` Ritesh Harjani
2019-10-23 10:20 ` Matthew Bobrowski
2019-10-21 9:18 ` [PATCH v5 03/12] ext4: split IOMAP_WRITE branch in ext4_iomap_begin() into helper Matthew Bobrowski
2019-10-21 13:31 ` Jan Kara
2019-10-23 6:37 ` Ritesh Harjani
2019-10-21 9:18 ` [PATCH v5 04/12] ext4: introduce new callback for IOMAP_REPORT Matthew Bobrowski
2019-10-21 13:37 ` Jan Kara
2019-10-22 1:55 ` Matthew Bobrowski [this message]
2019-10-23 6:39 ` Ritesh Harjani
2019-10-23 10:35 ` Matthew Bobrowski
2019-10-21 9:18 ` [PATCH v5 05/12] iomap: Allow forcing of waiting for running DIO in iomap_dio_rw() mbobrowski
2019-10-24 1:41 ` Christoph Hellwig
2019-10-24 11:17 ` Matthew Bobrowski
2019-10-21 9:18 ` [PATCH v5 06/12] xfs: Use iomap_dio_rw_wait() mbobrowski
2019-10-21 13:38 ` Jan Kara
2019-10-21 9:18 ` [PATCH v5 07/12] ext4: introduce direct I/O read using iomap infrastructure Matthew Bobrowski
2019-10-21 13:41 ` Jan Kara
2019-10-22 1:58 ` Matthew Bobrowski
2019-10-23 6:40 ` Ritesh Harjani
2019-10-21 9:18 ` [PATCH v5 08/12] ext4: update direct I/O read to do trylock in IOCB_NOWAIT cases Matthew Bobrowski
2019-10-21 13:48 ` Jan Kara
2019-10-22 2:04 ` Matthew Bobrowski
2019-10-22 7:50 ` Jan Kara
2019-10-23 6:51 ` Ritesh Harjani
2019-10-21 9:18 ` [PATCH v5 09/12] ext4: move inode extension/truncate code out from ->iomap_end() callback Matthew Bobrowski
2019-10-21 13:53 ` Jan Kara
2019-10-22 2:07 ` Matthew Bobrowski
2019-10-21 9:20 ` [PATCH v5 12/12] ext4: introduce direct I/O write using iomap infrastructure Matthew Bobrowski
2019-10-21 16:18 ` Jan Kara
2019-10-22 3:02 ` Matthew Bobrowski
2019-10-22 7:55 ` Jan Kara
2019-10-21 9:20 ` [PATCH v5 11/12] ext4: reorder map->m_flags checks in ext4_set_iomap() Matthew Bobrowski
2019-10-21 9:20 ` [PATCH v5 10/12] ext4: move inode extension check out from ext4_iomap_alloc() Matthew Bobrowski
2019-10-21 13:31 ` [PATCH v5 00/12] ext4: port direct I/O to iomap infrastructure Theodore Y. Ts'o
2019-10-21 19:43 ` Jan Kara
2019-10-21 22:38 ` Dave Chinner
2019-10-22 8:01 ` Jan Kara
2019-10-23 2:35 ` Matthew Bobrowski
2019-10-23 10:01 ` Jan Kara
2019-10-23 10:11 ` Matthew Bobrowski
2019-10-24 1:58 ` Christoph Hellwig
2019-10-24 11:09 ` Matthew Bobrowski
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=20191022015535.GC5092@athena.bobrowski.net \
--to=mbobrowski@mbobrowski.org \
--cc=adilger.kernel@dilger.ca \
--cc=darrick.wong@oracle.com \
--cc=david@fromorbit.com \
--cc=hch@infradead.org \
--cc=jack@suse.cz \
--cc=linux-ext4@vger.kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=tytso@mit.edu \
/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).