Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935041AbZDAXNq (ORCPT ); Wed, 1 Apr 2009 19:13:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933819AbZDAXEy (ORCPT ); Wed, 1 Apr 2009 19:04:54 -0400 Received: from mx2.redhat.com ([66.187.237.31]:38934 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933770AbZDAXEs (ORCPT ); Wed, 1 Apr 2009 19:04:48 -0400 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 16/43] FS-Cache: Bit waiting helpers [ver #46] To: 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, 02 Apr 2009 00:04:44 +0100 Message-ID: <20090401230443.28177.95944.stgit@warthog.procyon.org.uk> In-Reply-To: <20090401230321.28177.12010.stgit@warthog.procyon.org.uk> References: <20090401230321.28177.12010.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: 1584 Lines: 60 Add helpers for use with wait_on_bit(). Signed-off-by: David Howells Acked-by: Steve Dickson Acked-by: Trond Myklebust --- fs/fscache/internal.h | 3 +++ fs/fscache/main.c | 20 ++++++++++++++++++++ 2 files changed, 23 insertions(+), 0 deletions(-) diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h index 4c6ba56..1638994 100644 --- a/fs/fscache/internal.h +++ b/fs/fscache/internal.h @@ -82,6 +82,9 @@ 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-proc.c */ diff --git a/fs/fscache/main.c b/fs/fscache/main.c index 48b79d2..4de41b5 100644 --- a/fs/fscache/main.c +++ b/fs/fscache/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/