Since anticipatory IO scheduler was removed, copy_io_context() function
isn't used anymore, so this patch removes it.
Signed-off-by: Vladislav Bolkhovitin <vst@vlnb.net>
---
block/blk-ioc.c | 14 --------------
include/linux/iocontext.h | 1 -
2 files changed, 15 deletions(-)
diff -upkr linux-2.6.33/block/blk-ioc.c linux-2.6.33/block/blk-ioc.c
--- linux-2.6.33/block/blk-ioc.c 2010-02-24 21:52:17.000000000 +0300
+++ linux-2.6.33/block/blk-ioc.c 2010-03-25 22:49:30.000000000 +0300
@@ -152,20 +152,6 @@ struct io_context *get_io_context(gfp_t
}
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",
diff -upkr linux-2.6.33/include/linux/iocontext.h linux-2.6.33/include/linux/iocontext.h
--- linux-2.6.33/include/linux/iocontext.h 2010-02-24 21:52:17.000000000 +0300
+++ linux-2.6.33/include/linux/iocontext.h 2010-03-25 22:49:16.000000000 +0300
@@ -77,7 +77,6 @@ int put_io_context(struct io_context *io
void exit_io_context(struct task_struct *task);
struct io_context *get_io_context(gfp_t gfp_flags, int node);
struct io_context *alloc_io_context(gfp_t gfp_flags, int node);
-void copy_io_context(struct io_context **pdst, struct io_context **psrc);
#else
static inline void exit_io_context(struct task_struct *task)
{
--
