diff options
Diffstat (limited to 'fs/f2fs/xattr.h')
| -rw-r--r-- | fs/f2fs/xattr.h | 51 |
1 files changed, 32 insertions, 19 deletions
diff --git a/fs/f2fs/xattr.h b/fs/f2fs/xattr.h index 49c955830..47cf0e58b 100644 --- a/fs/f2fs/xattr.h +++ b/fs/f2fs/xattr.h @@ -35,6 +35,10 @@ #define F2FS_XATTR_INDEX_LUSTRE 5 #define F2FS_XATTR_INDEX_SECURITY 6 #define F2FS_XATTR_INDEX_ADVISE 7 +/* Should be same as EXT4_XATTR_INDEX_ENCRYPTION */ +#define F2FS_XATTR_INDEX_ENCRYPTION 9 + +#define F2FS_XATTR_NAME_ENCRYPTION_CONTEXT "c" struct f2fs_xattr_header { __le32 h_magic; /* magic number for identification */ @@ -51,7 +55,7 @@ struct f2fs_xattr_entry { #define XATTR_HDR(ptr) ((struct f2fs_xattr_header *)(ptr)) #define XATTR_ENTRY(ptr) ((struct f2fs_xattr_entry *)(ptr)) -#define XATTR_FIRST_ENTRY(ptr) (XATTR_ENTRY(XATTR_HDR(ptr)+1)) +#define XATTR_FIRST_ENTRY(ptr) (XATTR_ENTRY(XATTR_HDR(ptr) + 1)) #define XATTR_ROUND (3) #define XATTR_ALIGN(size) ((size + XATTR_ROUND) & ~XATTR_ROUND) @@ -69,17 +73,16 @@ struct f2fs_xattr_entry { !IS_XATTR_LAST_ENTRY(entry);\ entry = XATTR_NEXT_ENTRY(entry)) +#define MIN_OFFSET(i) XATTR_ALIGN(inline_xattr_size(i) + PAGE_SIZE - \ + sizeof(struct node_footer) - sizeof(__u32)) -#define MIN_OFFSET XATTR_ALIGN(PAGE_SIZE - \ - sizeof(struct node_footer) - \ - sizeof(__u32)) - -#define MAX_VALUE_LEN (MIN_OFFSET - sizeof(struct f2fs_xattr_header) - \ - sizeof(struct f2fs_xattr_entry)) +#define MAX_VALUE_LEN(i) (MIN_OFFSET(i) - \ + sizeof(struct f2fs_xattr_header) - \ + sizeof(struct f2fs_xattr_entry)) /* * On-disk structure of f2fs_xattr - * We use only 1 block for xattr. + * We use inline xattrs space + 1 block for xattr. * * +--------------------+ * | f2fs_xattr_header | @@ -112,26 +115,26 @@ extern const struct xattr_handler f2fs_xattr_trusted_handler; extern const struct xattr_handler f2fs_xattr_acl_access_handler; extern const struct xattr_handler f2fs_xattr_acl_default_handler; extern const struct xattr_handler f2fs_xattr_advise_handler; +extern const struct xattr_handler f2fs_xattr_security_handler; extern const struct xattr_handler *f2fs_xattr_handlers[]; -extern int f2fs_setxattr(struct inode *inode, int name_index, const char *name, - const void *value, size_t value_len); -extern int f2fs_getxattr(struct inode *inode, int name_index, const char *name, - void *buffer, size_t buffer_size); -extern ssize_t f2fs_listxattr(struct dentry *dentry, char *buffer, - size_t buffer_size); - +extern int f2fs_setxattr(struct inode *, int, const char *, + const void *, size_t, struct page *, int); +extern int f2fs_getxattr(struct inode *, int, const char *, void *, + size_t, struct page *); +extern ssize_t f2fs_listxattr(struct dentry *, char *, size_t); #else #define f2fs_xattr_handlers NULL -static inline int f2fs_setxattr(struct inode *inode, int name_index, - const char *name, const void *value, size_t value_len) +static inline int f2fs_setxattr(struct inode *inode, int index, + const char *name, const void *value, size_t size, int flags) { return -EOPNOTSUPP; } -static inline int f2fs_getxattr(struct inode *inode, int name_index, - const char *name, void *buffer, size_t buffer_size) +static inline int f2fs_getxattr(struct inode *inode, int index, + const char *name, void *buffer, + size_t buffer_size, struct page *dpage) { return -EOPNOTSUPP; } @@ -142,4 +145,14 @@ static inline ssize_t f2fs_listxattr(struct dentry *dentry, char *buffer, } #endif +#ifdef CONFIG_F2FS_FS_SECURITY +extern int f2fs_init_security(struct inode *, struct inode *, + const struct qstr *, struct page *); +#else +static inline int f2fs_init_security(struct inode *inode, struct inode *dir, + const struct qstr *qstr, struct page *ipage) +{ + return 0; +} +#endif #endif /* __F2FS_XATTR_H__ */ |