diff options
Diffstat (limited to 'fs/erofs/xattr.h')
| -rw-r--r-- | fs/erofs/xattr.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/erofs/xattr.h b/fs/erofs/xattr.h index 0a43c9ee9f8f..08658e414c33 100644 --- a/fs/erofs/xattr.h +++ b/fs/erofs/xattr.h @@ -41,8 +41,11 @@ extern const struct xattr_handler erofs_xattr_user_handler; extern const struct xattr_handler erofs_xattr_trusted_handler; extern const struct xattr_handler erofs_xattr_security_handler; -static inline const struct xattr_handler *erofs_xattr_handler(unsigned int idx) +static inline const char *erofs_xattr_prefix(unsigned int idx, + struct dentry *dentry) { + const struct xattr_handler *handler = NULL; + static const struct xattr_handler *xattr_handler_map[] = { [EROFS_XATTR_INDEX_USER] = &erofs_xattr_user_handler, #ifdef CONFIG_EROFS_FS_POSIX_ACL @@ -57,8 +60,13 @@ static inline const struct xattr_handler *erofs_xattr_handler(unsigned int idx) #endif }; - return idx && idx < ARRAY_SIZE(xattr_handler_map) ? - xattr_handler_map[idx] : NULL; + if (idx && idx < ARRAY_SIZE(xattr_handler_map)) + handler = xattr_handler_map[idx]; + + if (!xattr_handler_can_list(handler, dentry)) + return NULL; + + return xattr_prefix(handler); } extern const struct xattr_handler *erofs_xattr_handlers[]; |