linux-ext4 - Re: [RFC PATCH v4 2/4] jbd2, ext4, ocfs2: introduce/use journal callbacks j_submit|finish_inode_data

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Message-Id: <6F2B356A-F952-4DC0-93DA-67D195029265@dilger.ca>
Date:   Mon, 28 Sep 2020 20:28:13 -0600
From:   Andreas Dilger <adilger@...ger.ca>
To:     Mauricio Faria de Oliveira <mfo@...onical.com>
Cc:     Jan Kara <jack@...e.cz>, linux-ext4@...r.kernel.org,
        dann frazier <dann.frazier@...onical.com>
Subject: Re: [RFC PATCH v4 2/4] jbd2, ext4, ocfs2: introduce/use journal
 callbacks j_submit|finish_inode_data_buffers()

On Sep 28, 2020, at 1:41 PM, Mauricio Faria de Oliveira <mfo@...onical.com> wrote:
> 
> Introduce journal callbacks to allow different behaviors
> for an inode in journal_submit|finish_inode_data_buffers().
> 
> The existing users of the current behavior (ext4, ocfs2)
> are adapted to use the previously exported functions
> that implement the current behavior.
> 
> Users are callers of jbd2_journal_inode_ranged_write|wait(),
> which adds the inode to the transaction's inode list with
> the JI_WRITE|WAIT_DATA flags. Only ext4 and ocfs2 in-tree.
> 
> Both CONFIG_EXT4_FS and CONFIG_OCSFS2_FS select CONFIG_JBD2,
> which builds fs/jbd2/commit.c and journal.c that define and
> export the functions, so we can call directly in ext4/ocfs2.
> 
> Signed-off-by: Mauricio Faria de Oliveira <mfo@...onical.com>
> Suggested-by: Jan Kara <jack@...e.cz>
> Reviewed-by: Jan Kara <jack@...e.cz>

Reviewed-by: Andreas Dilger <adilger@...ger.ca>

Cheers, Andreas






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