From: Christoph Hellwig <hch@lst.de>
To: Shaohua Li <shli@fb.com>, neilb@suse.de
Cc: linux-raid@vger.kernel.org, Kernel-team@fb.com, dan.j.williams@intel.com
Subject: [PATCH 04/10] raid5-cache: clean up r5l_get_meta
Date: Mon, 7 Sep 2015 07:20:44 +0200 [thread overview]
Message-ID: <1441603250-5119-5-git-send-email-hch@lst.de> (raw)
In-Reply-To: <1441603250-5119-1-git-send-email-hch@lst.de>
Remove the only partially used local 'io' variable to simplify the code
flow.
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/md/raid5-cache.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c
index 1e54249..10ccda3 100644
--- a/drivers/md/raid5-cache.c
+++ b/drivers/md/raid5-cache.c
@@ -291,16 +291,12 @@ static struct r5l_io_unit *r5l_new_meta(struct r5l_log *log)
static int r5l_get_meta(struct r5l_log *log, unsigned int payload_size)
{
- struct r5l_io_unit *io;
-
- io = log->current_io;
- if (io && io->meta_offset + payload_size > PAGE_SIZE)
+ if (log->current_io &&
+ log->current_io->meta_offset + payload_size > PAGE_SIZE)
r5l_submit_current_io(log);
- io = log->current_io;
- if (io)
- return 0;
- log->current_io = r5l_new_meta(log);
+ if (!log->current_io)
+ log->current_io = r5l_new_meta(log);
return 0;
}
--
1.9.1
next prev parent reply other threads:[~2015-09-07 5:20 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-07 5:20 raid5-cache I/O path improvements Christoph Hellwig
2015-09-07 5:20 ` [PATCH 01/10] raid5-cache: port to 4.3-rc Christoph Hellwig
2015-09-07 5:20 ` [PATCH 02/10] raid5-cache: free I/O units earlier Christoph Hellwig
2015-09-07 5:20 ` [PATCH 03/10] raid5-cache: use FUA writes for the log Christoph Hellwig
2015-09-07 5:20 ` Christoph Hellwig [this message]
2015-09-07 5:20 ` [PATCH 05/10] raid5-cache: refactor bio allocation Christoph Hellwig
2015-09-07 5:20 ` [PATCH 06/10] raid5-cache: take rdev->data_offset into account early on Christoph Hellwig
2015-09-07 5:20 ` [PATCH 07/10] raid5-cache: inline r5l_alloc_io_unit into r5l_new_meta Christoph Hellwig
2015-09-07 5:20 ` [PATCH 08/10] raid5-cache: new helper: r5_reserve_log_entry Christoph Hellwig
2015-09-07 5:20 ` [PATCH 09/10] raid5-cache: small log->seq cleanup Christoph Hellwig
2015-09-07 5:20 ` [PATCH 10/10] raid5-cache: use bio chaining Christoph Hellwig
2015-09-08 0:28 ` raid5-cache I/O path improvements Shaohua Li
2015-09-08 6:12 ` Christoph Hellwig
2015-09-08 15:25 ` Tejun Heo
2015-09-08 15:26 ` Tejun Heo
2015-09-08 15:40 ` Christoph Hellwig
2015-09-08 16:56 ` Shaohua Li
2015-09-08 17:02 ` Tejun Heo
2015-09-08 17:07 ` Shaohua Li
2015-09-08 17:34 ` Tejun Heo
2015-09-09 15:59 ` Christoph Hellwig
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