linux-ext4 - Re: [PATCH 07/13] xfs: close the external block devices in xfs_mount

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Message-ID: <20230809171722.GF11336@frogsfrogsfrogs>
Date:   Wed, 9 Aug 2023 10:17:22 -0700
From:   "Darrick J. Wong" <djwong@...nel.org>
To:     Christoph Hellwig <hch@....de>
Cc:     Al Viro <viro@...iv.linux.org.uk>,
        Christian Brauner <brauner@...nel.org>,
        Namjae Jeon <linkinjeon@...nel.org>,
        Sungjong Seo <sj1557.seo@...sung.com>,
        Theodore Ts'o <tytso@....edu>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        Konstantin Komarov <almaz.alexandrovich@...agon-software.com>,
        linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
        ntfs3@...ts.linux.dev, linux-xfs@...r.kernel.org
Subject: Re: [PATCH 07/13] xfs: close the external block devices in
 xfs_mount_free

On Wed, Aug 09, 2023 at 06:14:11PM +0200, Christoph Hellwig wrote:
> On Wed, Aug 09, 2023 at 08:55:24AM -0700, Darrick J. Wong wrote:
> > If I'm following this correctly, putting the superblock flushes the
> > bdevs (though it doesn't invalidate the bdev mapping!) and only later
> > when we free the xfs_mount do we actually put the buftargs?
> > 
> > That works, though I still think we need to invalidate the bdev
> > pagecache for the log and data bdevs.
> 
> Yes, I'll respin it with that.  And I'll also add a comment to the
> invalidate_bdev calls because it's completely non-obvious as-is.

Ok, thanks!  You can reuse the commit message if you want. :)

--D