1 files changed, 72 insertions, 0 deletions
diff --git a/include/linux/affs_fs_sb.h b/include/linux/affs_fs_sb.h
new file mode 100644
index 000000000..0ff862d13
--- /dev/null
+++ b/include/linux/affs_fs_sb.h
@@ -0,0 +1,72 @@
+#ifndef _AFFS_FS_SB
+#define _AFFS_FS_SB
+
+/*
+ * super-block data in memory
+ *
+ * Block numbers are adjusted for their actual size
+ *
+ */
+
+#define MAX_ZONES		8
+#define AFFS_DATA_MIN_FREE	512	/* Number of free blocks in zone for data blocks */
+#define AFFS_HDR_MIN_FREE	128	/* Same for header blocks */
+#define AFFS_ZONE_SIZE		1024	/* Blocks per alloc zone, must be multiple of 32 */
+
+struct affs_bm_info {
+	struct buffer_head *bm_bh;	/* Buffer head if loaded (bm_count > 0) */
+	int bm_firstblk;		/* Block number of first bit in this map */
+	int bm_key;			/* Disk block number */
+	int bm_count;			/* Usage counter */
+};
+
+struct affs_alloc_zone {
+	short az_size;			/* Size of this allocation zone in double words */
+	short az_count;			/* Number of users */
+	int az_free;			/* Free blocks in here (no. of bits) */
+};
+
+struct affs_zone {
+	unsigned long z_ino;		/* Associated inode number */
+	struct affs_bm_info *z_bm;	/* Zone lies in this bitmap */
+	int z_start;			/* Index of first word in bitmap */
+	int z_end;			/* Index of last word in zone + 1 */
+	int z_az_no;			/* Zone number */
+	unsigned long z_lru_time;	/* Time of last usage */
+};
+
+struct affs_sb_info {
+	int s_partition_size;		/* Partition size in blocks. */
+	int s_root_block;		/* FFS root block number. */
+	int s_hashsize;			/* Size of hash table. */
+	unsigned long s_flags;		/* See below. */
+	short s_uid;			/* uid to override */
+	short s_gid;			/* gid to override */
+	umode_t s_mode;			/* mode to override */
+	int s_reserved;			/* Number of reserved blocks. */
+	struct buffer_head *s_root_bh;	/* Cached root block. */
+	struct affs_bm_info *s_bitmap;	/* Bitmap infos. */
+	int s_bm_count;			/* Number of bitmap blocks. */
+	int s_nextzone;			/* Next zone to look for free blocks. */
+	int s_num_az;			/* Total number of alloc zones. */
+	struct affs_zone *s_zones;	/* The zones themselves. */
+	struct affs_alloc_zone *s_alloc;/* The allocation zones. */
+	char *s_zonemap;		/* Bitmap for allocation zones. */
+	char *s_prefix;			/* Prefix for volumes and assigns. */
+	int s_prefix_len;		/* Length of prefix. */
+	char s_volume[32];		/* Volume prefix for absolute symlinks. */
+};
+
+#define SF_INTL		0x0001		/* International filesystem. */
+#define SF_BM_VALID	0x0002		/* Bitmap is valid. */
+#define SF_IMMUTABLE	0x0004		/* Protection bits cannot be changed */
+#define SF_QUIET	0x0008		/* chmod errors will be not reported */
+#define SF_SETUID	0x0010		/* Ignore Amiga uid */
+#define SF_SETGID	0x0020		/* Ignore Amiga gid */
+#define SF_SETMODE	0x0040		/* Ignore Amiga protection bits */
+#define SF_MUFS		0x0100		/* Use MUFS uid/gid mapping */
+#define SF_OFS		0x0200		/* Old filesystem */
+#define SF_PREFIX	0x0400		/* Buffer for prefix is allocated */
+#define SF_VERBOSE	0x0800		/* Talk about fs when mounting */
+
+#endif