nilfs2: hide nilfs_write_info struct in segment buffer code

Hides nilfs_write_info struct and nilfs_segbuf_prepare_write function
in segbuf.c to simplify the interface of nilfs_segbuf_write function.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>

1 files changed, 2 insertions, 22 deletions

diff --git a/fs/nilfs2/segbuf.h b/fs/nilfs2/segbuf.h
index bd076cca37a8..241a00dc4988 100644
--- a/fs/nilfs2/segbuf.h
+++ b/fs/nilfs2/segbuf.h
@@ -27,7 +27,6 @@
 #include <linux/buffer_head.h>
 #include <linux/bio.h>
 #include <linux/completion.h>
-#include <linux/backing-dev.h>
 
 /**
  * struct nilfs_segsum_info - On-memory segment summary
@@ -173,27 +172,8 @@ static inline void nilfs_segbuf_clear(struct nilfs_segment_buffer *segbuf)
         nilfs_release_buffers(&segbuf->sb_payload_buffers);
 }
 
-struct nilfs_write_info {
-        struct bio             *bio;
-        int                     start, end; /* The region to be submitted */
-        int                     rest_blocks;
-        int                     max_pages;
-        int                     nr_vecs;
-        sector_t                blocknr;
-
-        /*
-         * The following fields must be set explicitly
-         */
-        struct super_block     *sb;
-        struct backing_dev_info *bdi; /* backing dev info */
-        struct buffer_head     *bh_sr;
-};
-
-
-void nilfs_segbuf_prepare_write(struct nilfs_segment_buffer *,
-                                struct nilfs_write_info *);
-int nilfs_segbuf_write(struct nilfs_segment_buffer *,
-                       struct nilfs_write_info *);
+int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf,
+                       struct the_nilfs *nilfs);
 int nilfs_segbuf_wait(struct nilfs_segment_buffer *segbuf);
 
 #endif /* _NILFS_SEGBUF_H */