diff options
| author | Evgeniy Dushistov <dushistov@mail.ru> | 2007-02-12 11:54:32 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 20:48:40 +0300 |
| commit | 54fb996ac15c4014fa4d6b0ec8e42da134204897 (patch) | |
| tree | ee7a98270cabefc996a13691a7c9d63141a8d3a9 /include/linux/ufs_fs.h | |
| parent | 3313e29267414e4e3bf0d3de1caf9cb439b64aaf (diff) | |
| download | linux-54fb996ac15c4014fa4d6b0ec8e42da134204897.tar.xz | |
[PATCH] ufs2 write: block allocation update
Patch adds ability to work with 64bit metadata, this made by replacing work
with 32bit pointers by inline functions.
Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/ufs_fs.h')
| -rw-r--r-- | include/linux/ufs_fs.h | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/include/linux/ufs_fs.h b/include/linux/ufs_fs.h index 24ce39820560..44c45449065c 100644 --- a/include/linux/ufs_fs.h +++ b/include/linux/ufs_fs.h @@ -40,6 +40,7 @@ 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; @@ -267,13 +268,6 @@ typedef __u16 __bitwise __fs16; #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) \ @@ -723,6 +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; @@ -952,10 +947,10 @@ 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); @@ -1016,6 +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 */ |