diff options
Diffstat (limited to 'fs/ocfs2/xattr.h')
| -rw-r--r-- | fs/ocfs2/xattr.h | 64 |
1 files changed, 61 insertions, 3 deletions
diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h index 1d8314c7656..f10d5b93c36 100644 --- a/fs/ocfs2/xattr.h +++ b/fs/ocfs2/xattr.h @@ -30,13 +30,71 @@ enum ocfs2_xattr_type { OCFS2_XATTR_MAX }; -extern struct xattr_handler ocfs2_xattr_user_handler; -extern struct xattr_handler ocfs2_xattr_trusted_handler; -extern struct xattr_handler *ocfs2_xattr_handlers[]; +struct ocfs2_security_xattr_info { + int enable; + const char *name; + void *value; + size_t value_len; +}; + +extern const struct xattr_handler ocfs2_xattr_user_handler; +extern const struct xattr_handler ocfs2_xattr_trusted_handler; +extern const struct xattr_handler ocfs2_xattr_security_handler; +extern const struct xattr_handler *ocfs2_xattr_handlers[]; ssize_t ocfs2_listxattr(struct dentry *, char *, size_t); +int ocfs2_xattr_get_nolock(struct inode *, struct buffer_head *, int, + const char *, void *, size_t); int ocfs2_xattr_set(struct inode *, int, const char *, const void *, size_t, int); +int ocfs2_xattr_set_handle(handle_t *, struct inode *, struct buffer_head *, + int, const char *, const void *, size_t, int, + struct ocfs2_alloc_context *, + struct ocfs2_alloc_context *); +int ocfs2_has_inline_xattr_value_outside(struct inode *inode, + struct ocfs2_dinode *di); int ocfs2_xattr_remove(struct inode *, struct buffer_head *); +int ocfs2_init_security_get(struct inode *, struct inode *, + const struct qstr *, + struct ocfs2_security_xattr_info *); +int ocfs2_init_security_set(handle_t *, struct inode *, + struct buffer_head *, + struct ocfs2_security_xattr_info *, + struct ocfs2_alloc_context *, + struct ocfs2_alloc_context *); +int ocfs2_calc_security_init(struct inode *, + struct ocfs2_security_xattr_info *, + int *, int *, struct ocfs2_alloc_context **); +int ocfs2_calc_xattr_init(struct inode *, struct buffer_head *, + umode_t, struct ocfs2_security_xattr_info *, + int *, int *, int *); + +/* + * xattrs can live inside an inode, as part of an external xattr block, + * or inside an xattr bucket, which is the leaf of a tree rooted in an + * xattr block. Some of the xattr calls, especially the value setting + * functions, want to treat each of these locations as equal. Let's wrap + * them in a structure that we can pass around instead of raw buffer_heads. + */ +struct ocfs2_xattr_value_buf { + struct buffer_head *vb_bh; + ocfs2_journal_access_func vb_access; + struct ocfs2_xattr_value_root *vb_xv; +}; +int ocfs2_xattr_attach_refcount_tree(struct inode *inode, + struct buffer_head *fe_bh, + struct ocfs2_caching_info *ref_ci, + struct buffer_head *ref_root_bh, + struct ocfs2_cached_dealloc_ctxt *dealloc); +int ocfs2_reflink_xattrs(struct inode *old_inode, + struct buffer_head *old_bh, + struct inode *new_inode, + struct buffer_head *new_bh, + bool preserve_security); +int ocfs2_init_security_and_acl(struct inode *dir, + struct inode *inode, + const struct qstr *qstr, + struct posix_acl *default_acl, + struct posix_acl *acl); #endif /* OCFS2_XATTR_H */ |