nilfs2: extend nilfs_sustat ioctl struct

[linux-2.6-omap-h63xx.git] / fs / nilfs2 / the_nilfs.h

diff --git a/fs/nilfs2/the_nilfs.h b/fs/nilfs2/the_nilfs.h
index 75da37306964c9c845b8e9f907b8f053b9f7ac47..af566e78f7af132cc09061496c06cca49cc8ba76 100644 (file)
--- a/fs/nilfs2/the_nilfs.h
+++ b/fs/nilfs2/the_nilfs.h
@@ -51,7 +51,6 @@ enum {
  * @ns_writer_refcount: number of referrers on ns_writer
  * @ns_sbh: buffer head of the on-disk super block
  * @ns_sbp: pointer to the super block data
- * @ns_used_segments: list of full segments in volatile active state
  * @ns_supers: list of nilfs super block structs
  * @ns_seg_seq: segment sequence counter
  * @ns_segnum: index number of the latest full segment.
@@ -65,6 +64,7 @@ enum {
  * @ns_last_pseg: start block number of the latest segment
  * @ns_last_seq: sequence value of the latest segment
  * @ns_last_cno: checkpoint number of the latest segment
+ * @ns_prot_seq: least sequence number of segments which must not be reclaimed
  * @ns_free_segments_count: counter of free segments
  * @ns_segctor_sem: segment constructor semaphore
  * @ns_dat: DAT file inode
@@ -103,7 +103,6 @@ struct the_nilfs {
         */
        struct buffer_head     *ns_sbh;
        struct nilfs_super_block *ns_sbp;
-       struct list_head        ns_used_segments;
        unsigned                ns_mount_state;
        struct list_head        ns_supers;
 
@@ -132,6 +131,7 @@ struct the_nilfs {
        sector_t                ns_last_pseg;
        u64                     ns_last_seq;
        __u64                   ns_last_cno;
+       u64                     ns_prot_seq;
        unsigned long           ns_free_segments_count;
 
        struct rw_semaphore     ns_segctor_sem;
@@ -188,7 +188,6 @@ void put_nilfs(struct the_nilfs *);
 int init_nilfs(struct the_nilfs *, struct nilfs_sb_info *, char *);
 int load_nilfs(struct the_nilfs *, struct nilfs_sb_info *);
 int nilfs_count_free_blocks(struct the_nilfs *, sector_t *);
-void nilfs_dispose_used_segments(struct the_nilfs *);
 int nilfs_checkpoint_is_mounted(struct the_nilfs *, __u64, int);
 int nilfs_near_disk_full(struct the_nilfs *);