[PATCH 01/12] fs: export setup_bdev_super

Christoph Hellwig
2023-08-02T15:41:56Z

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

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
fs/super.c | 3 ++-
include/linux/fs_context.h | 2 ++
2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/super.c b/fs/super.c
index 3ef39df5bec506..6aaa275fa8630d 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -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
diff --git a/include/linux/fs_context.h b/include/linux/fs_context.h
index ff6341e09925bc..58ef8433a94b8c 100644
--- a/include/linux/fs_context.h
+++ b/include/linux/fs_context.h
@@ -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));
--
2.39.2