diff options
Diffstat (limited to 'fs/ntfs/ntfs.h')
| -rw-r--r-- | fs/ntfs/ntfs.h | 49 |
1 files changed, 39 insertions, 10 deletions
diff --git a/fs/ntfs/ntfs.h b/fs/ntfs/ntfs.h index 0624c8ef4d9..d6a340bf80f 100644 --- a/fs/ntfs/ntfs.h +++ b/fs/ntfs/ntfs.h @@ -57,19 +57,19 @@ extern struct kmem_cache *ntfs_attr_ctx_cache; extern struct kmem_cache *ntfs_index_ctx_cache; /* The various operations structs defined throughout the driver files. */ -extern struct address_space_operations ntfs_aops; -extern struct address_space_operations ntfs_mst_aops; +extern const struct address_space_operations ntfs_aops; +extern const struct address_space_operations ntfs_mst_aops; -extern struct file_operations ntfs_file_ops; -extern struct inode_operations ntfs_file_inode_ops; +extern const struct file_operations ntfs_file_ops; +extern const struct inode_operations ntfs_file_inode_ops; -extern struct file_operations ntfs_dir_ops; -extern struct inode_operations ntfs_dir_inode_ops; +extern const struct file_operations ntfs_dir_ops; +extern const struct inode_operations ntfs_dir_inode_ops; -extern struct file_operations ntfs_empty_file_ops; -extern struct inode_operations ntfs_empty_inode_ops; +extern const struct file_operations ntfs_empty_file_ops; +extern const struct inode_operations ntfs_empty_inode_ops; -extern struct export_operations ntfs_export_ops; +extern const struct export_operations ntfs_export_ops; /** * NTFS_SB - return the ntfs volume given a vfs super block @@ -105,7 +105,7 @@ extern int pre_write_mst_fixup(NTFS_RECORD *b, const u32 size); extern void post_write_mst_fixup(NTFS_RECORD *b); /* From fs/ntfs/unistr.c */ -extern BOOL ntfs_are_names_equal(const ntfschar *s1, size_t s1_len, +extern bool ntfs_are_names_equal(const ntfschar *s1, size_t s1_len, const ntfschar *s2, size_t s2_len, const IGNORE_CASE_BOOL ic, const ntfschar *upcase, const u32 upcase_size); @@ -132,4 +132,33 @@ extern int ntfs_ucstonls(const ntfs_volume *vol, const ntfschar *ins, /* From fs/ntfs/upcase.c */ extern ntfschar *generate_default_upcase(void); +static inline int ntfs_ffs(int x) +{ + int r = 1; + + if (!x) + return 0; + if (!(x & 0xffff)) { + x >>= 16; + r += 16; + } + if (!(x & 0xff)) { + x >>= 8; + r += 8; + } + if (!(x & 0xf)) { + x >>= 4; + r += 4; + } + if (!(x & 3)) { + x >>= 2; + r += 2; + } + if (!(x & 1)) { + x >>= 1; + r += 1; + } + return r; +} + #endif /* _LINUX_NTFS_H */ |