diff options
Diffstat (limited to 'include/linux/ufs_fs.h')
| -rw-r--r-- | include/linux/ufs_fs.h | 47 |
1 files changed, 30 insertions, 17 deletions
diff --git a/include/linux/ufs_fs.h b/include/linux/ufs_fs.h index d3a4f994a5dc..dc2e9fe69418 100644 --- a/include/linux/ufs_fs.h +++ b/include/linux/ufs_fs.h @@ -40,13 +40,16 @@ typedef __u64 __fs64; typedef __u32 __fs32; typedef __u16 __fs16; #else +#include <asm/div64.h> typedef __u64 __bitwise __fs64; typedef __u32 __bitwise __fs32; typedef __u16 __bitwise __fs16; #endif +#ifdef __KERNEL__ #include <linux/ufs_fs_i.h> #include <linux/ufs_fs_sb.h> +#endif #define UFS_BBLOCK 0 #define UFS_BBSIZE 8192 @@ -261,17 +264,10 @@ typedef __u16 __bitwise __fs16; */ #define ufs_inotocg(x) ((x) / uspi->s_ipg) #define ufs_inotocgoff(x) ((x) % uspi->s_ipg) -#define ufs_inotofsba(x) (ufs_cgimin(ufs_inotocg(x)) + ufs_inotocgoff(x) / uspi->s_inopf) +#define ufs_inotofsba(x) (((u64)ufs_cgimin(ufs_inotocg(x))) + ufs_inotocgoff(x) / uspi->s_inopf) #define ufs_inotofsbo(x) ((x) % uspi->s_inopf) /* - * Give cylinder group number for a file system block. - * Give cylinder group block number for a file system block. - */ -#define ufs_dtog(d) ((d) / uspi->s_fpg) -#define ufs_dtogd(d) ((d) % uspi->s_fpg) - -/* * Compute the cylinder and rotational position of a cyl block addr. */ #define ufs_cbtocylno(bno) \ @@ -303,7 +299,7 @@ typedef __u16 __bitwise __fs16; #define UFS_MAXMNTLEN 512 #define UFS2_MAXMNTLEN 468 #define UFS2_MAXVOLLEN 32 -/* #define UFS_MAXCSBUFS 31 */ +#define UFS_MAXCSBUFS 31 #define UFS_LINK_MAX 32000 /* #define UFS2_NOCSPTRS ((128 / sizeof(void *)) - 4) @@ -721,6 +717,7 @@ struct ufs_cg_private_info { __u32 c_nclusterblks; /* number of clusters this cg */ }; + struct ufs_sb_private_info { struct ufs_buffer_head s_ubh; /* buffer containing super block */ struct ufs_csum_core cs_total; @@ -754,7 +751,7 @@ struct ufs_sb_private_info { __u32 s_npsect; /* # sectors/track including spares */ __u32 s_interleave; /* hardware sector interleave */ __u32 s_trackskew; /* sector 0 skew, per track */ - __u32 s_csaddr; /* blk addr of cyl grp summary area */ + __u64 s_csaddr; /* blk addr of cyl grp summary area */ __u32 s_cssize; /* size of cyl grp summary area */ __u32 s_cgsize; /* cylinder group size */ __u32 s_ntrak; /* tracks per cylinder */ @@ -950,17 +947,17 @@ struct ufs_super_block_third { #ifdef __KERNEL__ /* balloc.c */ -extern void ufs_free_fragments (struct inode *, unsigned, unsigned); -extern void ufs_free_blocks (struct inode *, unsigned, unsigned); -extern unsigned ufs_new_fragments(struct inode *, __fs32 *, unsigned, unsigned, - unsigned, int *, struct page *); +extern void ufs_free_fragments (struct inode *, u64, unsigned); +extern void ufs_free_blocks (struct inode *, u64, unsigned); +extern u64 ufs_new_fragments(struct inode *, void *, u64, u64, + unsigned, int *, struct page *); /* cylinder.c */ extern struct ufs_cg_private_info * ufs_load_cylinder (struct super_block *, unsigned); extern void ufs_put_cylinder (struct super_block *, unsigned); /* dir.c */ -extern struct inode_operations ufs_dir_inode_operations; +extern const struct inode_operations ufs_dir_inode_operations; extern int ufs_add_link (struct dentry *, struct inode *); extern ino_t ufs_inode_by_name(struct inode *, struct dentry *); extern int ufs_make_empty(struct inode *, struct inode *); @@ -972,7 +969,7 @@ extern void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de, struct page *page, struct inode *inode); /* file.c */ -extern struct inode_operations ufs_file_inode_operations; +extern const struct inode_operations ufs_file_inode_operations; extern const struct file_operations ufs_file_operations; extern const struct address_space_operations ufs_aops; @@ -999,7 +996,7 @@ extern void ufs_error (struct super_block *, const char *, const char *, ...) __ extern void ufs_panic (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4))); /* symlink.c */ -extern struct inode_operations ufs_fast_symlink_inode_operations; +extern const struct inode_operations ufs_fast_symlink_inode_operations; /* truncate.c */ extern int ufs_truncate (struct inode *, loff_t); @@ -1014,6 +1011,22 @@ static inline struct ufs_inode_info *UFS_I(struct inode *inode) return container_of(inode, struct ufs_inode_info, vfs_inode); } +/* + * Give cylinder group number for a file system block. + * Give cylinder group block number for a file system block. + */ +/* #define ufs_dtog(d) ((d) / uspi->s_fpg) */ +static inline u64 ufs_dtog(struct ufs_sb_private_info * uspi, u64 b) +{ + do_div(b, uspi->s_fpg); + return b; +} +/* #define ufs_dtogd(d) ((d) % uspi->s_fpg) */ +static inline u32 ufs_dtogd(struct ufs_sb_private_info * uspi, u64 b) +{ + return do_div(b, uspi->s_fpg); +} + #endif /* __KERNEL__ */ #endif /* __LINUX_UFS_FS_H */ |