nilfs2: move pointer to super root block into logs

This moves a pointer to buffer storing super root block to each log
buffer from nilfs_sc_info struct for simplicity.

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

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c
index 17851f77f739..a24ca9cc6afb 100644
--- a/fs/nilfs2/segbuf.c
+++ b/fs/nilfs2/segbuf.c
@@ -81,6 +81,7 @@ struct nilfs_segment_buffer *nilfs_segbuf_new(struct super_block *sb)
         INIT_LIST_HEAD(&segbuf->sb_list);
         INIT_LIST_HEAD(&segbuf->sb_segsum_buffers);
         INIT_LIST_HEAD(&segbuf->sb_payload_buffers);
+        segbuf->sb_super_root = NULL;
 
         init_completion(&segbuf->sb_bio_event);
         atomic_set(&segbuf->sb_err, 0);
@@ -282,6 +283,7 @@ static void nilfs_segbuf_clear(struct nilfs_segment_buffer *segbuf)
 {
         nilfs_release_buffers(&segbuf->sb_segsum_buffers);
         nilfs_release_buffers(&segbuf->sb_payload_buffers);
+        segbuf->sb_super_root = NULL;
 }
 
 /*