From 7996a3d79d55b7f879dfd62e202bbfe2963718d3 Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Sat, 27 Jul 2013 22:15:01 +0000 Subject: really properly move files --- .../contrib/include/linux/iocontext.h | 120 --------------------- 1 file changed, 120 deletions(-) delete mode 100644 libdde-linux26/libdde_linux26/contrib/include/linux/iocontext.h (limited to 'libdde-linux26/libdde_linux26/contrib/include/linux/iocontext.h') diff --git a/libdde-linux26/libdde_linux26/contrib/include/linux/iocontext.h b/libdde-linux26/libdde_linux26/contrib/include/linux/iocontext.h deleted file mode 100644 index 08b987bc..00000000 --- a/libdde-linux26/libdde_linux26/contrib/include/linux/iocontext.h +++ /dev/null @@ -1,120 +0,0 @@ -#ifndef IOCONTEXT_H -#define IOCONTEXT_H - -#include -#include - -/* - * This is the per-process anticipatory I/O scheduler state. - */ -struct as_io_context { - spinlock_t lock; - - void (*dtor)(struct as_io_context *aic); /* destructor */ - void (*exit)(struct as_io_context *aic); /* called on task exit */ - - unsigned long state; - atomic_t nr_queued; /* queued reads & sync writes */ - atomic_t nr_dispatched; /* number of requests gone to the drivers */ - - /* IO History tracking */ - /* Thinktime */ - unsigned long last_end_request; - unsigned long ttime_total; - unsigned long ttime_samples; - unsigned long ttime_mean; - /* Layout pattern */ - unsigned int seek_samples; - sector_t last_request_pos; - u64 seek_total; - sector_t seek_mean; -}; - -struct cfq_queue; -struct cfq_io_context { - void *key; - unsigned long dead_key; - - struct cfq_queue *cfqq[2]; - - struct io_context *ioc; - - unsigned long last_end_request; - sector_t last_request_pos; - - unsigned long ttime_total; - unsigned long ttime_samples; - unsigned long ttime_mean; - - unsigned int seek_samples; - u64 seek_total; - sector_t seek_mean; - - struct list_head queue_list; - struct hlist_node cic_list; - - void (*dtor)(struct io_context *); /* destructor */ - void (*exit)(struct io_context *); /* called on task exit */ - - struct rcu_head rcu_head; -}; - -/* - * I/O subsystem state of the associated processes. It is refcounted - * and kmalloc'ed. These could be shared between processes. - */ -struct io_context { - atomic_t refcount; - atomic_t nr_tasks; - - /* all the fields below are protected by this lock */ - spinlock_t lock; - - unsigned short ioprio; - unsigned short ioprio_changed; - - /* - * For request batching - */ - unsigned long last_waited; /* Time last woken after wait for request */ - int nr_batch_requests; /* Number of requests left in the batch */ - - struct as_io_context *aic; - struct radix_tree_root radix_root; - struct hlist_head cic_list; - void *ioc_data; -}; - -static inline struct io_context *ioc_task_link(struct io_context *ioc) -{ - /* - * if ref count is zero, don't allow sharing (ioc is going away, it's - * a race). - */ - if (ioc && atomic_inc_not_zero(&ioc->refcount)) { - atomic_inc(&ioc->nr_tasks); - return ioc; - } - - return NULL; -} - -#ifdef CONFIG_BLOCK -int put_io_context(struct io_context *ioc); -void exit_io_context(void); -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(void) -{ -} - -struct io_context; -static inline int put_io_context(struct io_context *ioc) -{ - return 1; -} -#endif - -#endif -- cgit v1.2.3