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author | Tejun Heo <tj@kernel.org> | 2011-12-14 00:33:41 +0100 |
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committer | Jens Axboe <axboe@kernel.dk> | 2011-12-14 00:33:41 +0100 |
commit | 22f746e235a5cbee2a6ca9887b1be2aa7d31fe71 (patch) | |
tree | a9786fe9fdb994b5ff69794023e6e3e48e39e0b0 /include/linux | |
parent | f8fc877d3c1f10457d0d73d8540a0c51a1fa718a (diff) | |
download | linux-stable-22f746e235a5cbee2a6ca9887b1be2aa7d31fe71.tar.gz linux-stable-22f746e235a5cbee2a6ca9887b1be2aa7d31fe71.tar.bz2 linux-stable-22f746e235a5cbee2a6ca9887b1be2aa7d31fe71.zip |
block: remove elevator_queue->ops
elevator_queue->ops points to the same ops struct ->elevator_type.ops
is pointing to. The only effect of caching it in elevator_queue is
shorter notation - it doesn't save any indirect derefence.
Relocate elevator_type->list which used only during module init/exit
to the end of the structure, rename elevator_queue->elevator_type to
->type, and replace elevator_queue->ops with elevator_queue->type.ops.
This doesn't introduce any functional difference.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/elevator.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/include/linux/elevator.h b/include/linux/elevator.h index 02604c89ddde..04958ef53e62 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -78,11 +78,11 @@ struct elv_fs_entry { */ struct elevator_type { - struct list_head list; struct elevator_ops ops; struct elv_fs_entry *elevator_attrs; char elevator_name[ELV_NAME_MAX]; struct module *elevator_owner; + struct list_head list; }; /* @@ -90,10 +90,9 @@ struct elevator_type */ struct elevator_queue { - struct elevator_ops *ops; + struct elevator_type *type; void *elevator_data; struct kobject kobj; - struct elevator_type *elevator_type; struct mutex sysfs_lock; struct hlist_head *hash; unsigned int registered:1; |