Fix remap handling by blktrace

[safe/jmp/linux-2.6] / include / linux / ext4_fs_sb.h

diff --git a/include/linux/ext4_fs_sb.h b/include/linux/ext4_fs_sb.h
index ce4856d..1b2ffee 100644 (file)
--- a/include/linux/ext4_fs_sb.h
+++ b/include/linux/ext4_fs_sb.h
@@ -29,6 +29,7 @@
  */
 struct ext4_sb_info {
        unsigned long s_frag_size;      /* Size of a fragment in bytes */
+       unsigned long s_desc_size;      /* Size of a group descriptor in bytes */
        unsigned long s_frags_per_block;/* Number of fragments per block */
        unsigned long s_inodes_per_block;/* Number of inodes per block */
        unsigned long s_frags_per_group;/* Number of fragments in a group */
@@ -38,6 +39,8 @@ struct ext4_sb_info {
        unsigned long s_gdb_count;      /* Number of group descriptor blocks */
        unsigned long s_desc_per_block; /* Number of group descriptors per block */
        unsigned long s_groups_count;   /* Number of groups in the fs */
+       unsigned long s_overhead_last;  /* Last calculated overhead */
+       unsigned long s_blocks_last;    /* Last seen block count */
        struct buffer_head * s_sbh;     /* Buffer containing the super block */
        struct ext4_super_block * s_es; /* Pointer to the super block in the buffer */
        struct buffer_head ** s_group_desc;
@@ -70,7 +73,7 @@ struct ext4_sb_info {
        struct list_head s_orphan;
        unsigned long s_commit_interval;
        struct block_device *journal_bdev;
-#ifdef CONFIG_JBD_DEBUG
+#ifdef CONFIG_JBD2_DEBUG
        struct timer_list turn_ro_timer;        /* For turning read-only (crash simulation) */
        wait_queue_head_t ro_wait_queue;        /* For people waiting for the fs to go read-only */
 #endif
@@ -78,6 +81,17 @@ struct ext4_sb_info {
        char *s_qf_names[MAXQUOTAS];            /* Names of quota files with journalled quota */
        int s_jquota_fmt;                       /* Format of quota to use */
 #endif
+       unsigned int s_want_extra_isize; /* New inodes should reserve # bytes */
+
+#ifdef EXTENTS_STATS
+       /* ext4 extents stats */
+       unsigned long s_ext_min;
+       unsigned long s_ext_max;
+       unsigned long s_depth_max;
+       spinlock_t s_ext_stats_lock;
+       unsigned long s_ext_blocks;
+       unsigned long s_ext_extents;
+#endif
 };
 
 #endif /* _LINUX_EXT4_FS_SB */