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fs: export setup_bdev_super

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We'll want to use setup_bdev_super instead of duplicating it in nilfs2.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Message-Id: <20230802154131.2221419-2-hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christoph Hellwig 2023-08-02 17:41:20 +02:00 committed by Christian Brauner
parent aca740cecb
commit cf6da236c2
2 changed files with 4 additions and 1 deletions
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3
fs/super.c
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@ -1243,7 +1243,7 @@ static int test_bdev_super_fc(struct super_block *s, struct fs_context *fc)
s->s_dev == *(dev_t *)fc->sget_key;
}
static int setup_bdev_super(struct super_block *sb, int sb_flags,
int setup_bdev_super(struct super_block *sb, int sb_flags,
struct fs_context *fc)
{
blk_mode_t mode = sb_open_mode(sb_flags);
@ -1295,6 +1295,7 @@ static int setup_bdev_super(struct super_block *sb, int sb_flags,
sb_set_blocksize(sb, block_size(bdev));
return 0;
}
EXPORT_SYMBOL_GPL(setup_bdev_super);
/**
* get_tree_bdev - Get a superblock based on a single block device

2
include/linux/fs_context.h
View File

@ -158,6 +158,8 @@ extern int get_tree_keyed(struct fs_context *fc,
struct fs_context *fc),
void *key);
int setup_bdev_super(struct super_block *sb, int sb_flags,
struct fs_context *fc);
extern int get_tree_bdev(struct fs_context *fc,
int (*fill_super)(struct super_block *sb,
struct fs_context *fc));