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fs: export fs_holder_ops

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Export fs_holder_ops so that file systems that open additional block
devices can use it as well.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Message-Id: <20230802154131.2221419-9-hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christoph Hellwig 2023-08-02 17:41:27 +02:00 committed by Christian Brauner
parent 9c09a7cf62
commit 7ecd0b6f51
2 changed files with 4 additions and 1 deletions
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3
fs/super.c
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@ -1244,9 +1244,10 @@ static void fs_mark_dead(struct block_device *bdev)
up_read(&sb->s_umount);
}
static const struct blk_holder_ops fs_holder_ops = {
const struct blk_holder_ops fs_holder_ops = {
.mark_dead = fs_mark_dead,
};
EXPORT_SYMBOL_GPL(fs_holder_ops);
static int set_bdev_super(struct super_block *s, void *data)
{

2
include/linux/blkdev.h
View File

@ -1464,6 +1464,8 @@ struct blk_holder_ops {
void (*mark_dead)(struct block_device *bdev);
};
extern const struct blk_holder_ops fs_holder_ops;
/*
* Return the correct open flags for blkdev_get_by_* for super block flags
* as stored in sb->s_flags.