diff options
Diffstat (limited to 'Documentation/filesystems/porting.rst')
| -rw-r--r-- | Documentation/filesystems/porting.rst | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/filesystems/porting.rst b/Documentation/filesystems/porting.rst index 867036aa90b8..de1dcec3b5b8 100644 --- a/Documentation/filesystems/porting.rst +++ b/Documentation/filesystems/porting.rst @@ -717,6 +717,8 @@ be removed. Switch while you still can; the old one won't stay. **mandatory** ->setxattr() and xattr_handler.set() get dentry and inode passed separately. +The xattr_handler.set() gets passed the user namespace of the mount the inode +is seen from so filesystems can idmap the i_uid and i_gid accordingly. dentry might be yet to be attached to inode, so do _not_ use its ->d_inode in the instances. Rationale: !@#!@# security_d_instantiate() needs to be called before we attach dentry to inode and !@#!@##!@$!$#!@#$!@$!@$ smack |