From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758372Ab3BFTxU (ORCPT ); Wed, 6 Feb 2013 14:53:20 -0500 Received: from mail-da0-f48.google.com ([209.85.210.48]:57835 "EHLO mail-da0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758292Ab3BFTvW (ORCPT ); Wed, 6 Feb 2013 14:51:22 -0500 From: Tejun Heo To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, Tejun Heo , Thomas Gleixner Subject: [PATCH 73/77] posix-timers: convert to idr_alloc() Date: Wed, 6 Feb 2013 11:40:45 -0800 Message-Id: <1360179649-22465-74-git-send-email-tj@kernel.org> X-Mailer: git-send-email 1.8.1 In-Reply-To: <1360179649-22465-1-git-send-email-tj@kernel.org> References: <1360179649-22465-1-git-send-email-tj@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Convert to the much saner new idr interface. Only compile tested. Signed-off-by: Tejun Heo Cc: Thomas Gleixner --- kernel/posix-timers.c | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c index 69185ae..e897f66 100644 --- a/kernel/posix-timers.c +++ b/kernel/posix-timers.c @@ -552,24 +552,22 @@ SYSCALL_DEFINE3(timer_create, const clockid_t, which_clock, return -EAGAIN; spin_lock_init(&new_timer->it_lock); - retry: - if (unlikely(!idr_pre_get(&posix_timers_id, GFP_KERNEL))) { - error = -EAGAIN; - goto out; - } + + idr_preload(GFP_KERNEL); spin_lock_irq(&idr_lock); - error = idr_get_new(&posix_timers_id, new_timer, &new_timer_id); + error = idr_alloc(&posix_timers_id, new_timer, 0, 0, GFP_NOWAIT); spin_unlock_irq(&idr_lock); - if (error) { - if (error == -EAGAIN) - goto retry; + idr_preload_end(); + if (error < 0) { /* * Weird looking, but we return EAGAIN if the IDR is * full (proper POSIX return value for this) */ - error = -EAGAIN; + if (error == -ENOSPC) + error = -EAGAIN; goto out; } + new_timer_id = error; it_id_set = IT_ID_SET; new_timer->it_id = (timer_t) new_timer_id; -- 1.8.1