From cedb4a7d9f6aedb0dce94d6285b69dcb3c10fa05 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Thu, 11 Nov 2010 13:37:54 +0100 Subject: block: remove unused copy_io_context() Reported-by: Oleg Nesterov Signed-off-by: Jens Axboe --- block/blk-ioc.c | 14 -------------- 1 file changed, 14 deletions(-) (limited to 'block') diff --git a/block/blk-ioc.c b/block/blk-ioc.c index d22c4c5..3c7a339 100644 --- a/block/blk-ioc.c +++ b/block/blk-ioc.c @@ -153,20 +153,6 @@ struct io_context *get_io_context(gfp_t gfp_flags, int node) } EXPORT_SYMBOL(get_io_context); -void copy_io_context(struct io_context **pdst, struct io_context **psrc) -{ - struct io_context *src = *psrc; - struct io_context *dst = *pdst; - - if (src) { - BUG_ON(atomic_long_read(&src->refcount) == 0); - atomic_long_inc(&src->refcount); - put_io_context(dst); - *pdst = src; - } -} -EXPORT_SYMBOL(copy_io_context); - static int __init blk_ioc_init(void) { iocontext_cachep = kmem_cache_create("blkdev_ioc", -- cgit v1.1