fs: stop using get_super in fs_mark_dead

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fs_mark_dead currently uses get_super to find the superblock for the
block device that is going away.  This means it is limited to the
main device stored in sb->s_dev, leading to a lot of code duplication
for file systems that can use multiple block devices.

Now that the holder for all block devices used by file systems is set
to the super_block, we can instead look at that holder and then check
if the file system is born and active, so do that instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Message-Id: <20230802154131.2221419-8-hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>

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This commit is contained in:

Christoph Hellwig 2023-08-02 17:41:26 +02:00 • committed by Christian Brauner

parent 2ea6f68932

commit 9c09a7cf62

1 changed files with 26 additions and 4 deletions

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fs/super.c

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