Messages in this thread Patch in this message | | | Date | Thu, 25 Mar 2010 23:03:16 +0300 | From | Vladislav Bolkhovitin <> | Subject | [PATCH]: Remove dead copy_io_context() |
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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) {
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