From: Joe Thornber <thornber@redhat.com>
To: Joe Thornber <thornber@redhat.com>
Cc: Linux Mailing List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>
Subject: [Patch 9/10] dm: Remove redundant spin lock in dec_pending()
Date: Tue, 10 Feb 2004 17:02:40 +0000 [thread overview]
Message-ID: <20040210170240.GO27507@reti> (raw)
In-Reply-To: <20040210163548.GC27507@reti>
Remove redundant spin lock in dec_pending()
--- diff/drivers/md/dm.c 2004-02-10 16:11:50.000000000 +0000
+++ source/drivers/md/dm.c 2004-02-10 16:12:10.000000000 +0000
@@ -217,14 +217,8 @@
*/
static inline void dec_pending(struct dm_io *io, int error)
{
- static spinlock_t _uptodate_lock = SPIN_LOCK_UNLOCKED;
- unsigned long flags;
-
- if (error) {
- spin_lock_irqsave(&_uptodate_lock, flags);
+ if (error)
io->error = error;
- spin_unlock_irqrestore(&_uptodate_lock, flags);
- }
if (atomic_dec_and_test(&io->io_count)) {
if (atomic_dec_and_test(&io->md->pending))
next prev parent reply other threads:[~2004-02-10 17:53 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-10 16:35 dm core patches Joe Thornber
2004-02-10 16:57 ` [Patch 1/10] dm: Export dm_vcalloc() Joe Thornber
2004-02-10 16:59 ` [Patch 2/10] dm: Lift to_bytes() and to_sectors() into dm.h Joe Thornber
2004-02-10 16:59 ` [Patch 3/10] dm: Get rid of struct dm_deferred_io in dm.c Joe Thornber
2004-02-10 17:33 ` Christophe Saout
2004-02-10 17:00 ` [Patch 4/10] dm: Maintain ordering when deferring bios Joe Thornber
2004-02-10 17:00 ` [Patch 5/10] dm: Tidy up the error path for alloc_dev() Joe Thornber
2004-02-10 17:01 ` [Patch 6/10] dm: block size bug with 64 bit devs Joe Thornber
2004-02-10 17:01 ` [Patch 7/10] dm: Correct GFP flag in dm_table_create() Joe Thornber
2004-02-10 17:02 ` [Patch 8/10] dm: Zero size target sanity check Joe Thornber
2004-02-10 17:02 ` Joe Thornber [this message]
2004-02-10 17:03 ` [Patch 10/10] dm: drop BIO_SEG_VALID bit Joe Thornber
2004-02-11 10:16 ` dm core patches Lars Marowsky-Bree
2004-02-11 10:35 ` Joe Thornber
2004-02-12 18:51 ` Lars Marowsky-Bree
2004-02-12 20:13 ` Joe Thornber
2004-02-13 15:12 ` Lars Marowsky-Bree
2004-02-13 15:39 ` Joe Thornber
2004-02-13 16:08 ` Arjan van de Ven
2004-02-16 8:19 ` Lars Marowsky-Bree
2004-02-16 9:35 ` Arjan van de Ven
2004-02-13 23:46 ` Mike Anderson
2004-02-16 12:17 ` Heinz Mauelshagen
2004-02-13 16:03 ` Jens Axboe
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