[PATCH 01/12] 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@xxxxxx>
---
 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




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