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| author | Oleg Nesterov <oleg@tv-sign.ru> | 2006-06-23 02:05:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-23 07:43:07 -0700 |
| commit | 626ab0e69d376fa07599af669af8ba92d58e87c1 (patch) | |
| tree | a995e0231e61fab63568bc7bade81dc20c1dae09 /block | |
| parent | 54e73770357142e297c916c7865f5fca7499f69c (diff) | |
| download | linux-stable-626ab0e69d376fa07599af669af8ba92d58e87c1.tar.gz linux-stable-626ab0e69d376fa07599af669af8ba92d58e87c1.tar.bz2 linux-stable-626ab0e69d376fa07599af669af8ba92d58e87c1.zip | |
[PATCH] list: use list_replace_init() instead of list_splice_init()
list_splice_init(list, head) does unneeded job if it is known that
list_empty(head) == 1. We can use list_replace_init() instead.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'block')
| -rw-r--r-- | block/ll_rw_blk.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c index 7eb36c53f4b7..465b54312c59 100644 --- a/block/ll_rw_blk.c +++ b/block/ll_rw_blk.c @@ -3359,12 +3359,11 @@ EXPORT_SYMBOL(end_that_request_chunk); */ static void blk_done_softirq(struct softirq_action *h) { - struct list_head *cpu_list; - LIST_HEAD(local_list); + struct list_head *cpu_list, local_list; local_irq_disable(); cpu_list = &__get_cpu_var(blk_cpu_done); - list_splice_init(cpu_list, &local_list); + list_replace_init(cpu_list, &local_list); local_irq_enable(); while (!list_empty(&local_list)) { |