ext4: Track lifetime disk writes

[linux-2.6-omap-h63xx.git] / fs / ext4 / ext4_sb.h

diff --git a/fs/ext4/ext4_sb.h b/fs/ext4/ext4_sb.h
index 039b6ea1a0429b30e5e95253b42ed83d24494869..50ab1169c378bbcc2e8e5b746fc2a6064a51e4ce 100644 (file)
--- a/fs/ext4/ext4_sb.h
+++ b/fs/ext4/ext4_sb.h
@@ -62,13 +62,9 @@ struct ext4_sb_info {
        struct percpu_counter s_freeinodes_counter;
        struct percpu_counter s_dirs_counter;
        struct percpu_counter s_dirtyblocks_counter;
-       struct blockgroup_lock s_blockgroup_lock;
+       struct blockgroup_lock *s_blockgroup_lock;
        struct proc_dir_entry *s_proc;
 
-       /* root of the per fs reservation window tree */
-       spinlock_t s_rsv_window_lock;
-       struct rb_root s_rsv_window_root;
-
        /* Journaling */
        struct inode *s_journal_inode;
        struct journal_s *s_journal;
@@ -146,6 +142,10 @@ struct ext4_sb_info {
        /* locality groups */
        struct ext4_locality_group *s_locality_groups;
 
+       /* for write statistics */
+       unsigned long s_sectors_written_start;
+       u64 s_kbytes_written;
+
        unsigned int s_log_groups_per_flex;
        struct flex_groups *s_flex_groups;
 };
@@ -153,7 +153,7 @@ struct ext4_sb_info {
 static inline spinlock_t *
 sb_bgl_lock(struct ext4_sb_info *sbi, unsigned int block_group)
 {
-       return bgl_lock_ptr(&sbi->s_blockgroup_lock, block_group);
+       return bgl_lock_ptr(sbi->s_blockgroup_lock, block_group);
 }
 
 #endif /* _EXT4_SB */