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[dm-devel] [PATCH 7/7] dm/md dependency tree in sysfs: convert bd_sem to bd_mutex
- From: "Jun'ichi Nomura" <j-nomura ce jp nec com>
- To: Andrew Morton <akpm osdl org>, Alasdair Kergon <agk redhat com>, Greg KH <gregkh suse de>, Neil Brown <neilb suse de>
- Cc: device-mapper development <dm-devel redhat com>, Lars Marowsky-Bree <lmb suse de>, linux-kernel vger kernel org
- Subject: [dm-devel] [PATCH 7/7] dm/md dependency tree in sysfs: convert bd_sem to bd_mutex
- Date: Mon, 13 Mar 2006 17:17:43 -0500
This patch is part of dm/md dependency tree in sysfs.
This patch follows the change introduced by
sem2mutex-blockdev-2.patch in 2.6.16-rc6-mm1.
Thanks,
--
Jun'ichi Nomura, NEC Solutions (America), Inc.
Convert bd_sem to bd_mutex
Signed-off-by: Jun'ichi Nomura <j-nomura ce jp nec com>
block_dev.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
--- linux-2.6.16-rc6-mm1.orig/fs/block_dev.c.orig-mm1 2006-03-13 14:04:32.000000000 -0500
+++ linux-2.6.16-rc6-mm1/fs/block_dev.c 2006-03-13 12:29:35.000000000 -0500
@@ -674,11 +674,11 @@ int bd_claim_by_kobject(struct block_dev
if (!bo)
return -ENOMEM;
- down(&bdev->bd_sem);
+ mutex_lock(&bdev->bd_mutex);
res = bd_claim(bdev, holder);
if (res || !add_bd_holder(bdev, bo))
free_bd_holder(bo);
- up(&bdev->bd_sem);
+ mutex_unlock(&bdev->bd_mutex);
return res;
}
@@ -692,11 +692,11 @@ void bd_release_from_kobject(struct bloc
if (!kobj)
return;
- down(&bdev->bd_sem);
+ mutex_lock(&bdev->bd_mutex);
bd_release(bdev);
if ((bo = del_bd_holder(bdev, kobj)))
free_bd_holder(bo);
- up(&bdev->bd_sem);
+ mutex_unlock(&bdev->bd_mutex);
}
EXPORT_SYMBOL(bd_release_from_kobject);
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