diff options
Diffstat (limited to 'include/linux/xattr.h')
| -rw-r--r-- | include/linux/xattr.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/include/linux/xattr.h b/include/linux/xattr.h index 6af72461397d..d591ef59aa98 100644 --- a/include/linux/xattr.h +++ b/include/linux/xattr.h @@ -47,6 +47,22 @@ struct xattr_handler { size_t size, int flags); }; +/** + * xattr_handler_can_list - check whether xattr can be listed + * @handler: handler for this type of xattr + * @dentry: dentry whose inode xattr to list + * + * Determine whether the xattr associated with @dentry can be listed given + * @handler. + * + * Return: true if xattr can be listed, false if not. + */ +static inline bool xattr_handler_can_list(const struct xattr_handler *handler, + struct dentry *dentry) +{ + return handler && (!handler->list || handler->list(dentry)); +} + const char *xattr_full_name(const struct xattr_handler *, const char *); struct xattr { @@ -78,7 +94,7 @@ int vfs_getxattr_alloc(struct mnt_idmap *idmap, struct dentry *dentry, const char *name, char **xattr_value, size_t size, gfp_t flags); -int xattr_supported_namespace(struct inode *inode, const char *prefix); +int xattr_supports_user_prefix(struct inode *inode); static inline const char *xattr_prefix(const struct xattr_handler *handler) { @@ -109,5 +125,6 @@ ssize_t simple_xattr_list(struct inode *inode, struct simple_xattrs *xattrs, char *buffer, size_t size); void simple_xattr_add(struct simple_xattrs *xattrs, struct simple_xattr *new_xattr); +int xattr_list_one(char **buffer, ssize_t *remaining_size, const char *name); #endif /* _LINUX_XATTR_H */ |