erofs: make erofs_map_blocks() generally available

... so that it can be used in the following introduced fscache mode.

Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220425122143.56815-10-jefflexu@linux.alibaba.com
Acked-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>

diff --git a/fs/erofs/data.c b/fs/erofs/data.c
index 780db1e5f4b7235c4ed6c1fa19e57656b62f3648..bc22642358ecaf623c5a45556a8ccbb452d3de0a 100644 (file)
--- a/fs/erofs/data.c
+++ b/fs/erofs/data.c
@@ -110,8 +110,8 @@ static int erofs_map_blocks_flatmode(struct inode *inode,
        return 0;
 }
 
-static int erofs_map_blocks(struct inode *inode,
-                           struct erofs_map_blocks *map, int flags)
+int erofs_map_blocks(struct inode *inode,
+                    struct erofs_map_blocks *map, int flags)
 {
        struct super_block *sb = inode->i_sb;
        struct erofs_inode *vi = EROFS_I(inode);

diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h
index df0c05ca2910542889da77330f6a754939927f2b..c83bd3965cb50e050ca1bc0e7f524d04da357074 100644 (file)
--- a/fs/erofs/internal.h
+++ b/fs/erofs/internal.h
@@ -461,6 +461,8 @@ void *erofs_read_metabuf(struct erofs_buf *buf, struct super_block *sb,
 int erofs_map_dev(struct super_block *sb, struct erofs_map_dev *dev);
 int erofs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
                 u64 start, u64 len);
+int erofs_map_blocks(struct inode *inode,
+                    struct erofs_map_blocks *map, int flags);
 
 /* inode.c */
 static inline unsigned long erofs_inode_hash(erofs_nid_t nid)