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| author | Lai Jiangshan <laijs@cn.fujitsu.com> | 2011-03-18 11:42:58 +0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2011-07-20 14:10:13 -0700 |
| commit | 57bdfbf9ee2b0856d8b62180c3b3f8fa1533b8d1 (patch) | |
| tree | d39485c723d98fb3d7b2499c59232cd05f4eabc2 /block/genhd.c | |
| parent | 8497a24a43374f0142335b0ef0614ccc459e3d8d (diff) | |
| download | lwn-57bdfbf9ee2b0856d8b62180c3b3f8fa1533b8d1.tar.gz lwn-57bdfbf9ee2b0856d8b62180c3b3f8fa1533b8d1.zip | |
block,rcu: Convert call_rcu(disk_free_ptbl_rcu_cb) to kfree_rcu()
The rcu callback disk_free_ptbl_rcu_cb() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(disk_free_ptbl_rcu_cb).
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Diffstat (limited to 'block/genhd.c')
| -rw-r--r-- | block/genhd.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/block/genhd.c b/block/genhd.c index 3608289c8ecd..6024b82e3209 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -1018,14 +1018,6 @@ static const struct attribute_group *disk_attr_groups[] = { NULL }; -static void disk_free_ptbl_rcu_cb(struct rcu_head *head) -{ - struct disk_part_tbl *ptbl = - container_of(head, struct disk_part_tbl, rcu_head); - - kfree(ptbl); -} - /** * disk_replace_part_tbl - replace disk->part_tbl in RCU-safe way * @disk: disk to replace part_tbl for @@ -1046,7 +1038,7 @@ static void disk_replace_part_tbl(struct gendisk *disk, if (old_ptbl) { rcu_assign_pointer(old_ptbl->last_lookup, NULL); - call_rcu(&old_ptbl->rcu_head, disk_free_ptbl_rcu_cb); + kfree_rcu(old_ptbl, rcu_head); } } |