vfs: make do_rmdir retry once on ESTALE errors

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Jeff Layton 2012-12-20 16:28:33 -05:00 committed by Al Viro
parent 9e790bd65c
commit c6ee920698

View File

@ -3339,8 +3339,9 @@ static long do_rmdir(int dfd, const char __user *pathname)
struct filename *name;
struct dentry *dentry;
struct nameidata nd;
name = user_path_parent(dfd, pathname, &nd, 0);
unsigned int lookup_flags = 0;
retry:
name = user_path_parent(dfd, pathname, &nd, lookup_flags);
if (IS_ERR(name))
return PTR_ERR(name);
@ -3382,6 +3383,10 @@ static long do_rmdir(int dfd, const char __user *pathname)
exit1:
path_put(&nd.path);
putname(name);
if (retry_estale(error, lookup_flags)) {
lookup_flags |= LOOKUP_REVAL;
goto retry;
}
return error;
}