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Rev 5270 Rev 6082
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typedef unsigned long sector_t;
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typedef unsigned long sector_t;
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typedef unsigned long blkcnt_t;
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typedef unsigned long blkcnt_t;
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#endif
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#endif
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/*
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/*
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 * The type of an index into the pagecache.  Use a #define so asm/types.h
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 * can override it.
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 * The type of an index into the pagecache.
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 */
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#ifndef pgoff_t
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 */
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#define pgoff_t unsigned long
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#define pgoff_t unsigned long
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#endif
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/*
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 * A dma_addr_t can hold any valid DMA address, i.e., any address returned
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 * by the DMA API.
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 *
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 * If the DMA API only uses 32-bit addresses, dma_addr_t need only be 32
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 * bits wide.  Bus addresses, e.g., PCI BARs, may be wider than 32 bits,
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 * but drivers do memory-mapped I/O to ioremapped kernel virtual addresses,
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 * so they don't care about the size of the actual bus addresses.
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/* A dma_addr_t can hold any valid DMA or bus address for the platform */
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 */
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#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
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#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
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typedef u64 dma_addr_t;
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typedef u64 dma_addr_t;
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#else
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typedef u32 dma_addr_t;
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#endif /* dma_addr_t */
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#ifdef __CHECKER__
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#else
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#endif
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#ifdef __CHECK_ENDIAN__
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#else
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typedef u32 dma_addr_t;
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#else
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#endif
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#endif
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typedef unsigned __bitwise__ gfp_t;
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typedef unsigned __bitwise__ gfp_t;
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typedef unsigned __bitwise__ fmode_t;
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typedef unsigned __bitwise__ fmode_t;
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/**
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/**
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 * struct callback_head - callback structure for use with RCU and task_work
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 * struct callback_head - callback structure for use with RCU and task_work
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 * @next: next update requests in a list
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 * @next: next update requests in a list
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 * @func: actual update function to call after the grace period.
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 *
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 * The struct is aligned to size of pointer. On most architectures it happens
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 * naturally due ABI requirements, but some architectures (like CRIS) have
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 * weird ABI and we need to ask it explicitly.
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 *
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 * The alignment is required to guarantee that bits 0 and 1 of @next will be
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 * clear under normal conditions -- as long as we use call_rcu(),
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 * call_rcu_bh(), call_rcu_sched(), or call_srcu() to queue callback.
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 *
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 * This guarantee is important for few reasons:
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 *  - future call_rcu_lazy() will make use of lower bits in the pointer;
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 *  - the structure shares storage spacer in struct page with @compound_head,
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 *    which encode PageTail() in bit 0. The guarantee is needed to avoid
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 * @func: actual update function to call after the grace period.
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 *    false-positive PageTail().
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 */
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 */
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struct callback_head {
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struct callback_head {
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        struct callback_head *next;
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	struct callback_head *next;
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        void (*func)(struct callback_head *head);
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	void (*func)(struct callback_head *head);
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};
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} __attribute__((aligned(sizeof(void *))));
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#define rcu_head callback_head
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typedef void (*rcu_callback_t)(struct rcu_head *head);
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typedef void (*call_rcu_func_t)(struct rcu_head *head, rcu_callback_t func);
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/* clocksource cycle base type */
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#define rcu_head callback_head
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typedef u64 cycle_t;
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