* [PATCH 12/36] jbd2,rcu: convert call_rcu(free_devcache) to kfree_rcu()
@ 2011-03-18 3:58 Lai Jiangshan
0 siblings, 0 replies; only message in thread
From: Lai Jiangshan @ 2011-03-18 3:58 UTC (permalink / raw)
To: Paul E. McKenney, Ingo Molnar, Andrew Morton, Jan Kara,
linux-ext4, linux-kernel
The rcu callback free_devcache() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(free_devcache).
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
---
fs/jbd2/journal.c | 7 +------
1 files changed, 1 insertions(+), 6 deletions(-)
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 97e7346..2f2e40f 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -2390,11 +2390,6 @@ struct devname_cache {
static struct devname_cache *devcache[1 << CACHE_SIZE_BITS];
static DEFINE_SPINLOCK(devname_cache_lock);
-static void free_devcache(struct rcu_head *rcu)
-{
- kfree(rcu);
-}
-
const char *jbd2_dev_to_name(dev_t device)
{
int i = hash_32(device, CACHE_SIZE_BITS);
@@ -2421,7 +2416,7 @@ const char *jbd2_dev_to_name(dev_t device)
spin_unlock(&devname_cache_lock);
return ret;
}
- call_rcu(&devcache[i]->rcu, free_devcache);
+ kfree_rcu(devcache[i], rcu);
}
devcache[i] = new_dev;
devcache[i]->device = device;
--
1.7.4
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2011-03-18 3:58 [PATCH 12/36] jbd2,rcu: convert call_rcu(free_devcache) to kfree_rcu() Lai Jiangshan
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