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Commit 5d18f813 authored by Jeff Layton's avatar Jeff Layton Committed by Al Viro
Browse files

vfs: make do_unlinkat retry once on ESTALE errors 



Signed-off-by: default avatarJeff Layton <jlayton@redhat.com>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent c6ee9206

fs/namei.c

+8 −2
Original line number Diff line number Diff line
@@ -3440,8 +3440,9 @@ static long do_unlinkat(int dfd, const char __user *pathname) 
	struct dentry *dentry;

	struct nameidata nd;

	struct inode *inode = NULL;



	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);
@@ -3479,6 +3480,11 @@ static long do_unlinkat(int dfd, const char __user *pathname) 
exit1:

	path_put(&nd.path);

	putname(name);

	if (retry_estale(error, lookup_flags)) {

		lookup_flags |= LOOKUP_REVAL;

		inode = NULL;

		goto retry;

	}

	return error;



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