nilfs2: relocate io status variables to segment buffer

This moves io status variables in nilfs_write_info struct to
nilfs_segment_buffer struct.

This is a preparation to hide nilfs_write_info in segment buffer code.

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

1 files changed, 7 insertions, 9 deletions

diff --git a/fs/nilfs2/segbuf.h b/fs/nilfs2/segbuf.h
index 0c3076f4e592..bd076cca37a8 100644
--- a/fs/nilfs2/segbuf.h
+++ b/fs/nilfs2/segbuf.h
@@ -77,7 +77,9 @@ struct nilfs_segsum_info {
  * @sb_rest_blocks: Number of residual blocks in the current segment
  * @sb_segsum_buffers: List of buffers for segment summaries
  * @sb_payload_buffers: List of buffers for segment payload
- * @sb_io_error: I/O error status
+ * @sb_nbio: Number of flying bio requests
+ * @sb_err: I/O error status
+ * @sb_bio_event: Completion event of log writing
  */
 struct nilfs_segment_buffer {
         struct super_block     *sb_super;
@@ -96,7 +98,9 @@ struct nilfs_segment_buffer {
         struct list_head        sb_payload_buffers; /* including super root */
 
         /* io status */
-        int                     sb_io_error;
+        int                     sb_nbio;
+        atomic_t                sb_err;
+        struct completion       sb_bio_event;
 };
 
 #define NILFS_LIST_SEGBUF(head)  \
@@ -177,11 +181,6 @@ struct nilfs_write_info {
         int                     nr_vecs;
         sector_t                blocknr;
 
-        int                     nbio;
-        atomic_t                err;
-        struct completion       bio_event;
-                                /* completion event of segment write */
-
         /*
          * The following fields must be set explicitly
          */
@@ -195,7 +194,6 @@ 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_wait(struct nilfs_segment_buffer *,
-                      struct nilfs_write_info *);
+int nilfs_segbuf_wait(struct nilfs_segment_buffer *segbuf);
 
 #endif /* _NILFS_SEGBUF_H */