From: Shaohua Li <shli@kernel.org>
To: linux-raid@vger.kernel.org
Cc: neilb@suse.de, djbw@fb.com
Subject: [patch 1/3] raid5: rename stripe_hash()
Date: Mon, 12 Aug 2013 10:24:35 +0800 [thread overview]
Message-ID: <20130812022529.570639835@kernel.org> (raw)
In-Reply-To: 20130812022434.507702228@kernel.org
[-- Attachment #1: raid5-rename-function.patch --]
[-- Type: text/plain, Size: 1594 bytes --]
Rename the function, since I'll introduce another hash.
Signed-off-by: Shaohua Li <shli@fusionio.com>
---
drivers/md/raid5.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
Index: linux/drivers/md/raid5.c
===================================================================
--- linux.orig/drivers/md/raid5.c 2013-08-12 10:01:00.317008594 +0800
+++ linux/drivers/md/raid5.c 2013-08-12 10:02:14.780071212 +0800
@@ -79,7 +79,8 @@ static struct workqueue_struct *raid5_wq
#define HASH_MASK (NR_HASH - 1)
#define MAX_STRIPE_BATCH 8
-static inline struct hlist_head *stripe_hash(struct r5conf *conf, sector_t sect)
+static inline struct hlist_head *stripe_hash_list(struct r5conf *conf,
+ sector_t sect)
{
int hash = (sect >> STRIPE_SHIFT) & HASH_MASK;
return &conf->stripe_hashtbl[hash];
@@ -356,7 +357,7 @@ static inline void remove_hash(struct st
static inline void insert_hash(struct r5conf *conf, struct stripe_head *sh)
{
- struct hlist_head *hp = stripe_hash(conf, sh->sector);
+ struct hlist_head *hp = stripe_hash_list(conf, sh->sector);
pr_debug("insert_hash(), stripe %llu\n",
(unsigned long long)sh->sector);
@@ -462,7 +463,7 @@ static struct stripe_head *__find_stripe
struct stripe_head *sh;
pr_debug("__find_stripe, sector %llu\n", (unsigned long long)sector);
- hlist_for_each_entry(sh, stripe_hash(conf, sector), hash)
+ hlist_for_each_entry(sh, stripe_hash_list(conf, sector), hash)
if (sh->sector == sector && sh->generation == generation)
return sh;
pr_debug("__stripe %llu not in cache\n", (unsigned long long)sector);
next prev parent reply other threads:[~2013-08-12 2:24 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-12 2:24 [patch 0/3] raid5: relieve lock contention of get_active_stripe() Shaohua Li
2013-08-12 2:24 ` Shaohua Li [this message]
2013-08-12 2:24 ` [patch 2/3] wait: add wait_event_cmd() Shaohua Li
2013-08-12 2:24 ` [patch 3/3] raid5: relieve lock contention in get_active_stripe() Shaohua Li
2013-08-27 3:17 ` NeilBrown
2013-08-27 8:53 ` Shaohua Li
2013-08-28 4:32 ` NeilBrown
2013-08-28 6:39 ` Shaohua Li
2013-09-03 6:08 ` NeilBrown
2013-09-03 7:02 ` Shaohua Li
2013-09-04 6:41 ` NeilBrown
2013-09-05 5:40 ` Shaohua Li
2013-09-05 6:29 ` NeilBrown
2013-09-05 9:18 ` Shaohua Li
2013-09-09 4:33 ` Shaohua Li
2013-09-10 1:13 ` NeilBrown
2013-09-10 2:35 ` Shaohua Li
2013-09-10 4:06 ` NeilBrown
2013-09-10 4:24 ` Shaohua Li
2013-09-10 5:20 ` NeilBrown
2013-09-10 6:59 ` Shaohua Li
2013-09-10 7:28 ` NeilBrown
2013-09-10 7:37 ` Shaohua Li
2013-09-11 1:34 ` NeilBrown
2013-09-12 1:55 ` Shaohua Li
2013-09-12 5:38 ` NeilBrown
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