Commit 57638bf3 authored Apr 23, 2012 by David Teigland

dlm: avoid unnecessary search in search_rsb



If the rsb is found in the "keep" tree, but is
not the right type (i.e. not MASTER), we can
return immediately with the result.  There's
no point in going on to search the "toss" list
as if we hadn't found it.

Signed-off-by: David Teigland <teigland@redhat.com>

parent d6e24788

fs/dlm/lock.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -479,6 +479,9 @@ static int _search_rsb(struct dlm_ls ls, char name, int len, int b,
		kref_get(&r->res_ref);
		goto out;
		}
		if (error == -ENOTBLK)
		goto out;

		error = dlm_search_rsb_tree(&ls->ls_rsbtbl[b].toss, name, len, flags, &r);
		if (error)
		goto out;