tree 12fee55d296fc85a6e8188368ca4944fc4d913a8
parent 97d79299223baab330b194437e676d301f12d5f6
author Andreas Gruenbacher <agruenba@redhat.com> 1449063876 +0100
committer Al Viro <viro@zeniv.linux.org.uk> 1449455632 -0500

vfs: Distinguish between full xattr names and proper prefixes

Add an additional "name" field to struct xattr_handler.  When the name
is set, the handler matches attributes with exactly that name.  When the
prefix is set instead, the handler matches attributes with the given
prefix and with a non-empty suffix.

This patch should avoid bugs like the one fixed in commit c361016a in
the future.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: James Morris <james.l.morris@oracle.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>