diff options
| author | Hirofumi Ogawa <hirofumi@mail.parknet.co.jp> | 2005-01-20 16:11:57 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-01-20 16:11:57 -0800 |
| commit | b2700aab9931c19c2d1550a48e27185fac539945 (patch) | |
| tree | 65d344135f03a33dfafad71aa42a55d958a73f00 /include/linux/msdos_fs.h | |
| parent | 38f716dea29c343eaf70374a9873ea3eb6acaf7a (diff) | |
[PATCH] fat: merge msdos_fs_{i,sb}.h into msdos_fs.h
From Christoph Hellwig <hch@lst.de>
We don't have the union in "struct inode" and "struct super_block", so we
doesn't need xxx_fs_i.h and xxx_fs_sb.h anymore.
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/msdos_fs.h')
| -rw-r--r-- | include/linux/msdos_fs.h | 80 |
1 files changed, 78 insertions, 2 deletions
diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h index d6097bfc6715..33adeec06d15 100644 --- a/include/linux/msdos_fs.h +++ b/include/linux/msdos_fs.h @@ -189,8 +189,84 @@ struct vfat_slot_info { #include <linux/buffer_head.h> #include <linux/string.h> #include <linux/nls.h> -#include <linux/msdos_fs_i.h> -#include <linux/msdos_fs_sb.h> +#include <linux/fs.h> + +struct fat_mount_options { + uid_t fs_uid; + gid_t fs_gid; + unsigned short fs_fmask; + unsigned short fs_dmask; + unsigned short codepage; /* Codepage for shortname conversions */ + char *iocharset; /* Charset used for filename input/display */ + unsigned short shortname; /* flags for shortname display/create rule */ + unsigned char name_check; /* r = relaxed, n = normal, s = strict */ + unsigned quiet:1, /* set = fake successful chmods and chowns */ + showexec:1, /* set = only set x bit for com/exe/bat */ + sys_immutable:1, /* set = system files are immutable */ + dotsOK:1, /* set = hidden and system files are named '.filename' */ + isvfat:1, /* 0=no vfat long filename support, 1=vfat support */ + utf8:1, /* Use of UTF8 character set (Default) */ + unicode_xlate:1, /* create escape sequences for unhandled Unicode */ + numtail:1, /* Does first alias have a numeric '~1' type tail? */ + atari:1, /* Use Atari GEMDOS variation of MS-DOS fs */ + nocase:1; /* Does this need case conversion? 0=need case conversion*/ +}; + +#define FAT_HASH_BITS 8 +#define FAT_HASH_SIZE (1UL << FAT_HASH_BITS) +#define FAT_HASH_MASK (FAT_HASH_SIZE-1) + +/* + * MS-DOS file system in-core superblock data + */ +struct msdos_sb_info { + unsigned short sec_per_clus; /* sectors/cluster */ + unsigned short cluster_bits; /* log2(cluster_size) */ + unsigned int cluster_size; /* cluster size */ + unsigned char fats,fat_bits; /* number of FATs, FAT bits (12 or 16) */ + unsigned short fat_start; + unsigned long fat_length; /* FAT start & length (sec.) */ + unsigned long dir_start; + unsigned short dir_entries; /* root dir start & entries */ + unsigned long data_start; /* first data sector */ + unsigned long clusters; /* number of clusters */ + unsigned long root_cluster; /* first cluster of the root directory */ + unsigned long fsinfo_sector; /* sector number of FAT32 fsinfo */ + struct semaphore fat_lock; + int prev_free; /* previously allocated cluster number */ + int free_clusters; /* -1 if undefined */ + struct fat_mount_options options; + struct nls_table *nls_disk; /* Codepage used on disk */ + struct nls_table *nls_io; /* Charset used for input and display */ + void *dir_ops; /* Opaque; default directory operations */ + int dir_per_block; /* dir entries per block */ + int dir_per_block_bits; /* log2(dir_per_block) */ + + spinlock_t inode_hash_lock; + struct hlist_head inode_hashtable[FAT_HASH_SIZE]; +}; + +#define FAT_CACHE_VALID 0 /* special case for valid cache */ + +/* + * MS-DOS file system inode data in memory + */ +struct msdos_inode_info { + spinlock_t cache_lru_lock; + struct list_head cache_lru; + int nr_caches; + /* for avoiding the race between fat_free() and fat_get_cluster() */ + unsigned int cache_valid_id; + + loff_t mmu_private; + int i_start; /* first cluster or 0 */ + int i_logstart; /* logical first cluster */ + int i_attrs; /* unused attribute bits */ + int i_ctime_ms; /* unused change time in milliseconds */ + loff_t i_pos; /* on-disk position of directory entry or 0 */ + struct hlist_node i_fat_hash; /* hash by i_location */ + struct inode vfs_inode; +}; static inline struct msdos_sb_info *MSDOS_SB(struct super_block *sb) { |
