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block: remove unused copy_io_context()
Reported-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
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2 changed files with 0 additions and 15 deletions
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@ -153,20 +153,6 @@ struct io_context *get_io_context(gfp_t gfp_flags, int node)
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}
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EXPORT_SYMBOL(get_io_context);
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void copy_io_context(struct io_context **pdst, struct io_context **psrc)
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{
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struct io_context *src = *psrc;
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struct io_context *dst = *pdst;
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if (src) {
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BUG_ON(atomic_long_read(&src->refcount) == 0);
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atomic_long_inc(&src->refcount);
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put_io_context(dst);
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*pdst = src;
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}
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}
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EXPORT_SYMBOL(copy_io_context);
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static int __init blk_ioc_init(void)
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{
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iocontext_cachep = kmem_cache_create("blkdev_ioc",
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@ -76,7 +76,6 @@ int put_io_context(struct io_context *ioc);
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void exit_io_context(struct task_struct *task);
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struct io_context *get_io_context(gfp_t gfp_flags, int node);
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struct io_context *alloc_io_context(gfp_t gfp_flags, int node);
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void copy_io_context(struct io_context **pdst, struct io_context **psrc);
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#else
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static inline void exit_io_context(struct task_struct *task)
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{
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