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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-21 12:10:47 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-21 12:10:47 -0800 |
commit | 7758c4d6e9371efa04a1cf1b124bbf9cc43e830e (patch) | |
tree | 415cfe6bd68bc5df544b48f16c789e1f4b9165bd /fs/minix/minix.h | |
parent | cc11f9edd919002d8b3a03601a181a449150defd (diff) | |
parent | dd179946db2493646955efc112d73c85b3cafcb1 (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
VFS: Log the fact that we've given ELOOP rather than creating a loop
minixfs: kill manual hweight(), simplify
fs/minix: Verify bitmap block counts before mounting
Diffstat (limited to 'fs/minix/minix.h')
-rw-r--r-- | fs/minix/minix.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/minix/minix.h b/fs/minix/minix.h index 341e2122879..26bbd55e82e 100644 --- a/fs/minix/minix.h +++ b/fs/minix/minix.h @@ -48,10 +48,10 @@ extern struct minix_inode * minix_V1_raw_inode(struct super_block *, ino_t, stru extern struct minix2_inode * minix_V2_raw_inode(struct super_block *, ino_t, struct buffer_head **); extern struct inode * minix_new_inode(const struct inode *, int, int *); extern void minix_free_inode(struct inode * inode); -extern unsigned long minix_count_free_inodes(struct minix_sb_info *sbi); +extern unsigned long minix_count_free_inodes(struct super_block *sb); extern int minix_new_block(struct inode * inode); extern void minix_free_block(struct inode *inode, unsigned long block); -extern unsigned long minix_count_free_blocks(struct minix_sb_info *sbi); +extern unsigned long minix_count_free_blocks(struct super_block *sb); extern int minix_getattr(struct vfsmount *, struct dentry *, struct kstat *); extern int minix_prepare_chunk(struct page *page, loff_t pos, unsigned len); @@ -88,6 +88,11 @@ static inline struct minix_inode_info *minix_i(struct inode *inode) return list_entry(inode, struct minix_inode_info, vfs_inode); } +static inline unsigned minix_blocks_needed(unsigned bits, unsigned blocksize) +{ + return DIV_ROUND_UP(bits, blocksize * 8); +} + #if defined(CONFIG_MINIX_FS_NATIVE_ENDIAN) && \ defined(CONFIG_MINIX_FS_BIG_ENDIAN_16BIT_INDEXED) @@ -125,7 +130,7 @@ static inline int minix_find_first_zero_bit(const void *vaddr, unsigned size) if (!size) return 0; - size = (size >> 4) + ((size & 15) > 0); + size >>= 4; while (*p++ == 0xffff) { if (--size == 0) return (p - addr) << 4; |