linux-ext4 - Re: [PATCH v5 2/4] jbd2, ext4, ocfs2: introduce/use journal callbacks j_submit|finish_inode_data

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Date:   Thu, 8 Oct 2020 22:08:00 -0400
From:   "Theodore Y. Ts'o" <tytso@....edu>
To:     Mauricio Faria de Oliveira <mfo@...onical.com>
Cc:     linux-ext4@...r.kernel.org, ocfs2-devel@....oracle.com,
        Jan Kara <jack@...e.cz>, Andreas Dilger <adilger@...ger.ca>,
        dann frazier <dann.frazier@...onical.com>,
        Joseph Qi <joseph.qi@...ux.alibaba.com>
Subject: Re: [PATCH v5 2/4] jbd2, ext4, ocfs2: introduce/use journal
 callbacks j_submit|finish_inode_data_buffers()

On Mon, Oct 05, 2020 at 09:48:39PM -0300, Mauricio Faria de Oliveira 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>

Thanks, applied.

					- Ted