From: Sven Eckelmann <sven@narfation.org>
To: linux-arch@vger.kernel.org
Cc: xfs-masters@oss.sgi.com, xfs@oss.sgi.com,
linux-kernel@vger.kernel.org, Sven Eckelmann <sven@narfation.org>,
Alex Elder <aelder@sgi.com>
Subject: [PATCHv4 08/11] xfs: Use *_dec_not_zero instead of *_add_unless
Date: Wed, 27 Jul 2011 11:47:47 +0200 [thread overview]
Message-ID: <1311760070-21532-8-git-send-email-sven@narfation.org> (raw)
In-Reply-To: <1311760070-21532-1-git-send-email-sven@narfation.org>
atomic_dec_not_zero is defined for each architecture through
<linux/atomic.h> to provide the functionality of
atomic_add_unless(x, -1, 0).
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Cc: Alex Elder <aelder@sgi.com>
Cc: xfs-masters@oss.sgi.com
Cc: xfs@oss.sgi.com
---
fs/xfs/linux-2.6/xfs_buf.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index b2b4119..a68d9bf 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -1429,7 +1429,7 @@ xfs_buftarg_shrink(
* zero. If the value is already zero, we need to reclaim the
* buffer, otherwise it gets another trip through the LRU.
*/
- if (!atomic_add_unless(&bp->b_lru_ref, -1, 0)) {
+ if (!atomic_dec_not_zero(&bp->b_lru_ref)) {
list_move_tail(&bp->b_lru, &btp->bt_lru);
continue;
}
--
1.7.5.4
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WARNING: multiple messages have this Message-ID (diff)
From: Sven Eckelmann <sven@narfation.org>
To: linux-arch@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, Sven Eckelmann <sven@narfation.org>,
Alex Elder <aelder@sgi.com>,
xfs-masters@oss.sgi.com, xfs@oss.sgi.com
Subject: [PATCHv4 08/11] xfs: Use *_dec_not_zero instead of *_add_unless
Date: Wed, 27 Jul 2011 11:47:47 +0200 [thread overview]
Message-ID: <1311760070-21532-8-git-send-email-sven@narfation.org> (raw)
Message-ID: <20110727094747.b-zDCgZ_2DqFW5B77yErw6tdcfr1B_0iNeRJpgHSFoU@z> (raw)
In-Reply-To: <1311760070-21532-1-git-send-email-sven@narfation.org>
atomic_dec_not_zero is defined for each architecture through
<linux/atomic.h> to provide the functionality of
atomic_add_unless(x, -1, 0).
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Cc: Alex Elder <aelder@sgi.com>
Cc: xfs-masters@oss.sgi.com
Cc: xfs@oss.sgi.com
---
fs/xfs/linux-2.6/xfs_buf.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index b2b4119..a68d9bf 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -1429,7 +1429,7 @@ xfs_buftarg_shrink(
* zero. If the value is already zero, we need to reclaim the
* buffer, otherwise it gets another trip through the LRU.
*/
- if (!atomic_add_unless(&bp->b_lru_ref, -1, 0)) {
+ if (!atomic_dec_not_zero(&bp->b_lru_ref)) {
list_move_tail(&bp->b_lru, &btp->bt_lru);
continue;
}
--
1.7.5.4
next prev parent reply other threads:[~2011-07-27 9:47 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-27 9:47 [PATCHv4 01/11] atomic: add *_dec_not_zero Sven Eckelmann
[not found] ` <1311760070-21532-1-git-send-email-sven-KaDOiPu9UxWEi8DpZVb4nw@public.gmane.org>
2011-07-27 9:47 ` [PATCHv4 02/11] batman-adv: Remove private define of atomic_dec_not_zero Sven Eckelmann
2011-07-27 9:47 ` Sven Eckelmann
2011-07-27 9:47 ` [PATCHv4 03/11] fault_inject: " Sven Eckelmann
2011-07-27 9:47 ` Sven Eckelmann
2011-07-27 9:47 ` [PATCHv4 04/11] PM: Use *_dec_not_zero instead of *_add_unless Sven Eckelmann
2011-07-27 19:50 ` Rafael J. Wysocki
2011-07-27 20:36 ` Pavel Machek
2011-07-27 20:36 ` Pavel Machek
2011-07-28 21:43 ` Rafael J. Wysocki
2011-07-28 21:43 ` Rafael J. Wysocki
2011-07-27 9:47 ` [PATCHv4 05/11] omap3isp: " Sven Eckelmann
2011-07-27 9:47 ` Sven Eckelmann
2011-07-31 15:00 ` Laurent Pinchart
2011-08-01 10:07 ` Sven Eckelmann
2011-08-01 11:10 ` Laurent Pinchart
2011-08-01 11:10 ` Laurent Pinchart
2011-07-27 9:47 ` [PATCHv4 06/11] qeth: " Sven Eckelmann
2011-07-27 9:47 ` Sven Eckelmann
2011-07-27 9:47 ` [PATCHv4 07/11] ext4: " Sven Eckelmann
2011-07-27 9:47 ` Sven Eckelmann
2011-07-27 9:47 ` Sven Eckelmann [this message]
2011-07-27 9:47 ` [PATCHv4 08/11] xfs: " Sven Eckelmann
2011-07-27 9:47 ` [PATCHv4 09/11] memcg: " Sven Eckelmann
2011-07-27 9:47 ` Sven Eckelmann
2011-07-27 11:58 ` Michal Hocko
2011-07-27 9:47 ` [PATCHv4 10/11] drop_monitor: " Sven Eckelmann
2011-07-27 9:47 ` Sven Eckelmann
2011-07-27 10:59 ` Neil Horman
2011-07-27 10:59 ` Neil Horman
2011-07-27 11:52 ` Sven Eckelmann
2011-07-27 14:25 ` Neil Horman
2011-07-27 14:25 ` Neil Horman
2011-07-27 9:47 ` [PATCHv4 11/11] Phonet: " Sven Eckelmann
2011-07-27 9:47 ` Sven Eckelmann
2011-07-27 10:29 ` Rémi Denis-Courmont
2011-08-02 9:58 ` [PATCHv4 01/11] atomic: add *_dec_not_zero Ralf Baechle
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