| From | "Paul E. McKenney" <> | Subject | [PATCH tip/core/rcu 79/86] jbd2,rcu: convert call_rcu(free_devcache) to kfree_rcu() | Date | Sun, 1 May 2011 06:21:59 -0700 |
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From: Lai Jiangshan <laijs@cn.fujitsu.com>
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> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jan Kara <jack@suse.cz> --- 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 e0ec3db..13fb464 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); @@ -2423,7 +2418,7 @@ 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; -- 1.7.3.2
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