1 files changed, 58 insertions, 0 deletions

diff --git a/include/linux/ext2_fs_sb.h b/include/linux/ext2_fs_sb.h
new file mode 100644
index 000000000000..4eda0ed76a48
--- /dev/null
+++ b/include/linux/ext2_fs_sb.h
@@ -0,0 +1,58 @@
+/*
+ *  linux/include/linux/ext2_fs_sb.h
+ *
+ * Copyright (C) 1992, 1993, 1994, 1995
+ * Remy Card (card@masi.ibp.fr)
+ * Laboratoire MASI - Institut Blaise Pascal
+ * Universite Pierre et Marie Curie (Paris VI)
+ *
+ *  from
+ *
+ *  linux/include/linux/minix_fs_sb.h
+ *
+ *  Copyright (C) 1991, 1992  Linus Torvalds
+ */
+
+#ifndef _LINUX_EXT2_FS_SB
+#define _LINUX_EXT2_FS_SB
+
+#include <linux/blockgroup_lock.h>
+#include <linux/percpu_counter.h>
+
+/*
+ * second extended-fs super-block data in memory
+ */
+struct ext2_sb_info {
+        unsigned long s_frag_size;      /* Size of a fragment 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 */
+        unsigned long s_blocks_per_group;/* Number of blocks in a group */
+        unsigned long s_inodes_per_group;/* Number of inodes in a group */
+        unsigned long s_itb_per_group;  /* Number of inode table blocks per group */
+        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 */
+        struct buffer_head * s_sbh;     /* Buffer containing the super block */
+        struct ext2_super_block * s_es; /* Pointer to the super block in the buffer */
+        struct buffer_head ** s_group_desc;
+        unsigned long  s_mount_opt;
+        uid_t s_resuid;
+        gid_t s_resgid;
+        unsigned short s_mount_state;
+        unsigned short s_pad;
+        int s_addr_per_block_bits;
+        int s_desc_per_block_bits;
+        int s_inode_size;
+        int s_first_ino;
+        spinlock_t s_next_gen_lock;
+        u32 s_next_generation;
+        unsigned long s_dir_count;
+        u8 *s_debts;
+        struct percpu_counter s_freeblocks_counter;
+        struct percpu_counter s_freeinodes_counter;
+        struct percpu_counter s_dirs_counter;
+        struct blockgroup_lock s_blockgroup_lock;
+};
+
+#endif  /* _LINUX_EXT2_FS_SB */