Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756910AbYKTOtg (ORCPT ); Thu, 20 Nov 2008 09:49:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755707AbYKTOnR (ORCPT ); Thu, 20 Nov 2008 09:43:17 -0500 Received: from mx2.redhat.com ([66.187.237.31]:41059 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756076AbYKTOnM (ORCPT ); Thu, 20 Nov 2008 09:43:12 -0500 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells Subject: [PATCH 17/45] FS-Cache: Bit waiting helpers [ver #41] To: trond.myklebust@fys.uio.no, viro@ZenIV.linux.org.uk Cc: dhowells@redhat.com, nfsv4@linux-nfs.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Date: Thu, 20 Nov 2008 14:43:07 +0000 Message-ID: <20081120144307.10667.19967.stgit@warthog.procyon.org.uk> In-Reply-To: <20081120144139.10667.75519.stgit@warthog.procyon.org.uk> References: <20081120144139.10667.75519.stgit@warthog.procyon.org.uk> User-Agent: StGIT/0.14.3 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1526 Lines: 58 Add helpers for use with wait_on_bit(). Signed-off-by: David Howells --- fs/fscache/fsc-internal.h | 3 +++ fs/fscache/fsc-main.c | 20 ++++++++++++++++++++ 2 files changed, 23 insertions(+), 0 deletions(-) diff --git a/fs/fscache/fsc-internal.h b/fs/fscache/fsc-internal.h index 8f1beb5..5418101 100644 --- a/fs/fscache/fsc-internal.h +++ b/fs/fscache/fsc-internal.h @@ -58,6 +58,9 @@ extern unsigned fscache_defer_create; extern unsigned fscache_debug; extern struct kobject *fscache_root; +extern int fscache_wait_bit(void *); +extern int fscache_wait_bit_interruptible(void *); + /* * fsc-stats.c */ diff --git a/fs/fscache/fsc-main.c b/fs/fscache/fsc-main.c index 5ecbaa7..714c0ef 100644 --- a/fs/fscache/fsc-main.c +++ b/fs/fscache/fsc-main.c @@ -102,3 +102,23 @@ static void __exit fscache_exit(void) } module_exit(fscache_exit); + +/* + * wait_on_bit() sleep function for uninterruptible waiting + */ +int fscache_wait_bit(void *flags) +{ + schedule(); + return 0; +} +EXPORT_SYMBOL(fscache_wait_bit); + +/* + * wait_on_bit() sleep function for interruptible waiting + */ +int fscache_wait_bit_interruptible(void *flags) +{ + schedule(); + return signal_pending(current); +} +EXPORT_SYMBOL(fscache_wait_bit_interruptible); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/