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Commit 99a5df37 authored by Jeff Layton's avatar Jeff Layton Committed by Al Viro
Browse files

vfs: make fchownat 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 14ff690c

fs/open.c

+5 −0
Original line number Diff line number Diff line
@@ -582,6 +582,7 @@ SYSCALL_DEFINE5(fchownat, int, dfd, const char __user *, filename, uid_t, user, 
	lookup_flags = (flag & AT_SYMLINK_NOFOLLOW) ? 0 : LOOKUP_FOLLOW;

	if (flag & AT_EMPTY_PATH)

		lookup_flags |= LOOKUP_EMPTY;

retry:

	error = user_path_at(dfd, filename, lookup_flags, &path);

	if (error)

		goto out;
@@ -592,6 +593,10 @@ SYSCALL_DEFINE5(fchownat, int, dfd, const char __user *, filename, uid_t, user, 
	mnt_drop_write(path.mnt);

out_release:

	path_put(&path);

	if (retry_estale(error, lookup_flags)) {

		lookup_flags |= LOOKUP_REVAL;

		goto retry;

	}

out:

	return error;

}