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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | #ifndef _AFFS_FS_SB |
| 2 | #define _AFFS_FS_SB |
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| 3 | |||
| 4 | /* |
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| 5 | * super-block data in memory |
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| 6 | * |
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| 7 | * Block numbers are adjusted for their actual size |
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| 8 | * |
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| 9 | */ |
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| 10 | |||
| 11 | struct affs_bm_info { |
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| 12 | u32 bm_key; /* Disk block number */ |
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| 13 | u32 bm_free; /* Free blocks in here */ |
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| 14 | }; |
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| 15 | |||
| 16 | struct affs_sb_info { |
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| 17 | int s_partition_size; /* Partition size in blocks. */ |
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| 18 | int s_reserved; /* Number of reserved blocks. */ |
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| 19 | //u32 s_blksize; /* Initial device blksize */ |
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| 20 | u32 s_data_blksize; /* size of the data block w/o header */ |
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| 21 | u32 s_root_block; /* FFS root block number. */ |
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| 22 | int s_hashsize; /* Size of hash table. */ |
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| 23 | unsigned long s_flags; /* See below. */ |
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| 24 | uid_t s_uid; /* uid to override */ |
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| 25 | gid_t s_gid; /* gid to override */ |
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| 26 | umode_t s_mode; /* mode to override */ |
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| 27 | struct buffer_head *s_root_bh; /* Cached root block. */ |
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| 28 | struct semaphore s_bmlock; /* Protects bitmap access. */ |
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| 29 | struct affs_bm_info *s_bitmap; /* Bitmap infos. */ |
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| 30 | u32 s_bmap_count; /* # of bitmap blocks. */ |
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| 31 | u32 s_bmap_bits; /* # of bits in one bitmap blocks */ |
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| 32 | u32 s_last_bmap; |
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| 33 | struct buffer_head *s_bmap_bh; |
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| 34 | char *s_prefix; /* Prefix for volumes and assigns. */ |
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| 35 | int s_prefix_len; /* Length of prefix. */ |
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| 36 | char s_volume[32]; /* Volume prefix for absolute symlinks. */ |
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| 37 | }; |
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| 38 | |||
| 39 | #define SF_INTL 0x0001 /* International filesystem. */ |
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| 40 | #define SF_BM_VALID 0x0002 /* Bitmap is valid. */ |
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| 41 | #define SF_IMMUTABLE 0x0004 /* Protection bits cannot be changed */ |
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| 42 | #define SF_QUIET 0x0008 /* chmod errors will be not reported */ |
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| 43 | #define SF_SETUID 0x0010 /* Ignore Amiga uid */ |
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| 44 | #define SF_SETGID 0x0020 /* Ignore Amiga gid */ |
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| 45 | #define SF_SETMODE 0x0040 /* Ignore Amiga protection bits */ |
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| 46 | #define SF_MUFS 0x0100 /* Use MUFS uid/gid mapping */ |
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| 47 | #define SF_OFS 0x0200 /* Old filesystem */ |
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| 48 | #define SF_PREFIX 0x0400 /* Buffer for prefix is allocated */ |
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| 49 | #define SF_VERBOSE 0x0800 /* Talk about fs when mounting */ |
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| 50 | #define SF_READONLY 0x1000 /* Don't allow to remount rw */ |
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| 51 | |||
| 52 | /* short cut to get to the affs specific sb data */ |
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| 53 | static inline struct affs_sb_info *AFFS_SB(struct super_block *sb) |
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| 54 | { |
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| 55 | return sb->s_fs_info; |
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| 56 | } |
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| 57 | |||
| 58 | #endif |