457 lines
18 KiB
C
457 lines
18 KiB
C
/****************************************************************************
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****************************************************************************
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***
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*** This header was automatically generated from a Linux kernel header
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*** of the same name, to make information necessary for userspace to
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*** call into the kernel available to libc. It contains only constants,
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*** structures, and macros generated from the original header, and thus,
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*** contains no copyrightable information.
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***
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*** To edit the content of this header, modify the corresponding
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*** source file (e.g. under external/kernel-headers/original/) then
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*** run bionic/libc/kernel/tools/update_all.py
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***
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*** Any manual change here will be lost the next time this script will
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*** be run. You've been warned!
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***
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****************************************************************************
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****************************************************************************/
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#ifndef _LINUX_BLKDEV_H
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#define _LINUX_BLKDEV_H
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#include <linux/major.h>
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#include <linux/genhd.h>
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#include <linux/list.h>
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#include <linux/timer.h>
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#include <linux/workqueue.h>
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#include <linux/pagemap.h>
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#include <linux/backing-dev.h>
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#include <linux/wait.h>
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#include <linux/mempool.h>
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#include <linux/bio.h>
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#include <linux/module.h>
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#include <linux/stringify.h>
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#include <asm/scatterlist.h>
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struct scsi_ioctl_command;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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struct request_queue;
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typedef struct request_queue request_queue_t;
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struct elevator_queue;
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typedef struct elevator_queue elevator_t;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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struct request_pm_state;
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struct blk_trace;
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#define BLKDEV_MIN_RQ 4
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#define BLKDEV_MAX_RQ 128
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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struct as_io_context {
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spinlock_t lock;
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void (*dtor)(struct as_io_context *aic);
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void (*exit)(struct as_io_context *aic);
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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unsigned long state;
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atomic_t nr_queued;
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atomic_t nr_dispatched;
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unsigned long last_end_request;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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unsigned long ttime_total;
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unsigned long ttime_samples;
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unsigned long ttime_mean;
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unsigned int seek_samples;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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sector_t last_request_pos;
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u64 seek_total;
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sector_t seek_mean;
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};
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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struct cfq_queue;
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struct cfq_io_context {
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struct rb_node rb_node;
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void *key;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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struct cfq_queue *cfqq[2];
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struct io_context *ioc;
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unsigned long last_end_request;
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sector_t last_request_pos;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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unsigned long last_queue;
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unsigned long ttime_total;
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unsigned long ttime_samples;
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unsigned long ttime_mean;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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unsigned int seek_samples;
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u64 seek_total;
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sector_t seek_mean;
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struct list_head queue_list;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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void (*dtor)(struct io_context *);
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void (*exit)(struct io_context *);
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};
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struct io_context {
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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atomic_t refcount;
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struct task_struct *task;
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int (*set_ioprio)(struct io_context *, unsigned int);
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unsigned long last_waited;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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int nr_batch_requests;
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struct as_io_context *aic;
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struct rb_root cic_root;
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};
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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struct io_context *current_io_context(gfp_t gfp_flags);
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struct io_context *get_io_context(gfp_t gfp_flags);
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struct request;
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typedef void (rq_end_io_fn)(struct request *, int);
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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struct request_list {
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int count[2];
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int starved[2];
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int elvpriv;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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mempool_t *rq_pool;
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wait_queue_head_t wait[2];
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};
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#define BLK_MAX_CDB 16
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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struct request {
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struct list_head queuelist;
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struct list_head donelist;
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unsigned long flags;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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sector_t sector;
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unsigned long nr_sectors;
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unsigned int current_nr_sectors;
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sector_t hard_sector;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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unsigned long hard_nr_sectors;
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unsigned int hard_cur_sectors;
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struct bio *bio;
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struct bio *biotail;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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void *elevator_private;
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void *completion_data;
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int rq_status;
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int errors;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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struct gendisk *rq_disk;
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unsigned long start_time;
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unsigned short nr_phys_segments;
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unsigned short nr_hw_segments;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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unsigned short ioprio;
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int tag;
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int ref_count;
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request_queue_t *q;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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struct request_list *rl;
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struct completion *waiting;
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void *special;
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char *buffer;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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unsigned int cmd_len;
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unsigned char cmd[BLK_MAX_CDB];
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unsigned int data_len;
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unsigned int sense_len;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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void *data;
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void *sense;
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unsigned int timeout;
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int retries;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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rq_end_io_fn *end_io;
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void *end_io_data;
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};
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enum rq_flag_bits {
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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__REQ_RW,
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__REQ_FAILFAST,
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__REQ_SORTED,
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__REQ_SOFTBARRIER,
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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__REQ_HARDBARRIER,
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__REQ_FUA,
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__REQ_CMD,
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__REQ_NOMERGE,
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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__REQ_STARTED,
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__REQ_DONTPREP,
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__REQ_QUEUED,
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__REQ_ELVPRIV,
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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__REQ_PC,
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__REQ_BLOCK_PC,
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__REQ_SENSE,
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__REQ_FAILED,
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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__REQ_QUIET,
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__REQ_SPECIAL,
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__REQ_DRIVE_CMD,
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__REQ_DRIVE_TASK,
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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__REQ_DRIVE_TASKFILE,
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__REQ_PREEMPT,
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__REQ_PM_SUSPEND,
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__REQ_PM_RESUME,
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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__REQ_PM_SHUTDOWN,
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__REQ_ORDERED_COLOR,
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__REQ_RW_SYNC,
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__REQ_NR_BITS,
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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};
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#define REQ_RW (1 << __REQ_RW)
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#define REQ_FAILFAST (1 << __REQ_FAILFAST)
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#define REQ_SORTED (1 << __REQ_SORTED)
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#define REQ_SOFTBARRIER (1 << __REQ_SOFTBARRIER)
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#define REQ_HARDBARRIER (1 << __REQ_HARDBARRIER)
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#define REQ_FUA (1 << __REQ_FUA)
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#define REQ_CMD (1 << __REQ_CMD)
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#define REQ_NOMERGE (1 << __REQ_NOMERGE)
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#define REQ_STARTED (1 << __REQ_STARTED)
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#define REQ_DONTPREP (1 << __REQ_DONTPREP)
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#define REQ_QUEUED (1 << __REQ_QUEUED)
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#define REQ_ELVPRIV (1 << __REQ_ELVPRIV)
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#define REQ_PC (1 << __REQ_PC)
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#define REQ_BLOCK_PC (1 << __REQ_BLOCK_PC)
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#define REQ_SENSE (1 << __REQ_SENSE)
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#define REQ_FAILED (1 << __REQ_FAILED)
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#define REQ_QUIET (1 << __REQ_QUIET)
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#define REQ_SPECIAL (1 << __REQ_SPECIAL)
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#define REQ_DRIVE_CMD (1 << __REQ_DRIVE_CMD)
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#define REQ_DRIVE_TASK (1 << __REQ_DRIVE_TASK)
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#define REQ_DRIVE_TASKFILE (1 << __REQ_DRIVE_TASKFILE)
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#define REQ_PREEMPT (1 << __REQ_PREEMPT)
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#define REQ_PM_SUSPEND (1 << __REQ_PM_SUSPEND)
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#define REQ_PM_RESUME (1 << __REQ_PM_RESUME)
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#define REQ_PM_SHUTDOWN (1 << __REQ_PM_SHUTDOWN)
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#define REQ_ORDERED_COLOR (1 << __REQ_ORDERED_COLOR)
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#define REQ_RW_SYNC (1 << __REQ_RW_SYNC)
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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struct request_pm_state
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{
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int pm_step;
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u32 pm_state;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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void* data;
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};
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#include <linux/elevator.h>
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typedef int (merge_request_fn) (request_queue_t *, struct request *,
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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struct bio *);
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typedef int (merge_requests_fn) (request_queue_t *, struct request *,
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struct request *);
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typedef void (request_fn_proc) (request_queue_t *q);
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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typedef int (make_request_fn) (request_queue_t *q, struct bio *bio);
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typedef int (prep_rq_fn) (request_queue_t *, struct request *);
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typedef void (unplug_fn) (request_queue_t *);
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struct bio_vec;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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typedef int (merge_bvec_fn) (request_queue_t *, struct bio *, struct bio_vec *);
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typedef void (activity_fn) (void *data, int rw);
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typedef int (issue_flush_fn) (request_queue_t *, struct gendisk *, sector_t *);
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typedef void (prepare_flush_fn) (request_queue_t *, struct request *);
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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typedef void (softirq_done_fn)(struct request *);
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enum blk_queue_state {
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Queue_down,
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Queue_up,
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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};
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struct blk_queue_tag {
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struct request **tag_index;
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unsigned long *tag_map;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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struct list_head busy_list;
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int busy;
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int max_depth;
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int real_max_depth;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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atomic_t refcnt;
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};
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struct request_queue
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{
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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struct list_head queue_head;
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struct request *last_merge;
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elevator_t *elevator;
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struct request_list rq;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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request_fn_proc *request_fn;
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merge_request_fn *back_merge_fn;
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merge_request_fn *front_merge_fn;
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merge_requests_fn *merge_requests_fn;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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make_request_fn *make_request_fn;
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prep_rq_fn *prep_rq_fn;
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unplug_fn *unplug_fn;
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merge_bvec_fn *merge_bvec_fn;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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activity_fn *activity_fn;
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issue_flush_fn *issue_flush_fn;
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prepare_flush_fn *prepare_flush_fn;
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softirq_done_fn *softirq_done_fn;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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sector_t end_sector;
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struct request *boundary_rq;
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struct timer_list unplug_timer;
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int unplug_thresh;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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unsigned long unplug_delay;
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struct work_struct unplug_work;
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struct backing_dev_info backing_dev_info;
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void *queuedata;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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void *activity_data;
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unsigned long bounce_pfn;
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gfp_t bounce_gfp;
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unsigned long queue_flags;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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spinlock_t __queue_lock;
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spinlock_t *queue_lock;
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struct kobject kobj;
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unsigned long nr_requests;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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unsigned int nr_congestion_on;
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unsigned int nr_congestion_off;
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unsigned int nr_batching;
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unsigned int max_sectors;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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unsigned int max_hw_sectors;
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unsigned short max_phys_segments;
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unsigned short max_hw_segments;
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unsigned short hardsect_size;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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unsigned int max_segment_size;
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unsigned long seg_boundary_mask;
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unsigned int dma_alignment;
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struct blk_queue_tag *queue_tags;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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unsigned int nr_sorted;
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unsigned int in_flight;
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unsigned int sg_timeout;
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unsigned int sg_reserved_size;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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int node;
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struct blk_trace *blk_trace;
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unsigned int ordered, next_ordered, ordseq;
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int orderr, ordcolor;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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struct request pre_flush_rq, bar_rq, post_flush_rq;
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struct request *orig_bar_rq;
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unsigned int bi_size;
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struct mutex sysfs_lock;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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};
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#define RQ_INACTIVE (-1)
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#define RQ_ACTIVE 1
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#define QUEUE_FLAG_CLUSTER 0
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#define QUEUE_FLAG_QUEUED 1
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#define QUEUE_FLAG_STOPPED 2
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#define QUEUE_FLAG_READFULL 3
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#define QUEUE_FLAG_WRITEFULL 4
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#define QUEUE_FLAG_DEAD 5
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#define QUEUE_FLAG_REENTER 6
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#define QUEUE_FLAG_PLUGGED 7
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#define QUEUE_FLAG_ELVSWITCH 8
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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enum {
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QUEUE_ORDERED_NONE = 0x00,
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QUEUE_ORDERED_DRAIN = 0x01,
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QUEUE_ORDERED_TAG = 0x02,
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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QUEUE_ORDERED_PREFLUSH = 0x10,
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QUEUE_ORDERED_POSTFLUSH = 0x20,
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QUEUE_ORDERED_FUA = 0x40,
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QUEUE_ORDERED_DRAIN_FLUSH = QUEUE_ORDERED_DRAIN |
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_POSTFLUSH,
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QUEUE_ORDERED_DRAIN_FUA = QUEUE_ORDERED_DRAIN |
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QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_FUA,
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QUEUE_ORDERED_TAG_FLUSH = QUEUE_ORDERED_TAG |
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_POSTFLUSH,
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QUEUE_ORDERED_TAG_FUA = QUEUE_ORDERED_TAG |
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QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_FUA,
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QUEUE_ORDSEQ_STARTED = 0x01,
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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QUEUE_ORDSEQ_DRAIN = 0x02,
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QUEUE_ORDSEQ_PREFLUSH = 0x04,
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QUEUE_ORDSEQ_BAR = 0x08,
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QUEUE_ORDSEQ_POSTFLUSH = 0x10,
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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QUEUE_ORDSEQ_DONE = 0x20,
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};
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#define blk_queue_plugged(q) test_bit(QUEUE_FLAG_PLUGGED, &(q)->queue_flags)
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#define blk_queue_tagged(q) test_bit(QUEUE_FLAG_QUEUED, &(q)->queue_flags)
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#define blk_queue_stopped(q) test_bit(QUEUE_FLAG_STOPPED, &(q)->queue_flags)
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#define blk_queue_flushing(q) ((q)->ordseq)
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#define blk_fs_request(rq) ((rq)->flags & REQ_CMD)
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#define blk_pc_request(rq) ((rq)->flags & REQ_BLOCK_PC)
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#define blk_noretry_request(rq) ((rq)->flags & REQ_FAILFAST)
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#define blk_rq_started(rq) ((rq)->flags & REQ_STARTED)
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#define blk_account_rq(rq) (blk_rq_started(rq) && blk_fs_request(rq))
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#define blk_pm_suspend_request(rq) ((rq)->flags & REQ_PM_SUSPEND)
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#define blk_pm_resume_request(rq) ((rq)->flags & REQ_PM_RESUME)
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#define blk_pm_request(rq) ((rq)->flags & (REQ_PM_SUSPEND | REQ_PM_RESUME))
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#define blk_sorted_rq(rq) ((rq)->flags & REQ_SORTED)
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#define blk_barrier_rq(rq) ((rq)->flags & REQ_HARDBARRIER)
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#define blk_fua_rq(rq) ((rq)->flags & REQ_FUA)
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#define list_entry_rq(ptr) list_entry((ptr), struct request, queuelist)
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#define rq_data_dir(rq) ((rq)->flags & 1)
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#define RQ_NOMERGE_FLAGS (REQ_NOMERGE | REQ_STARTED | REQ_HARDBARRIER | REQ_SOFTBARRIER)
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#define rq_mergeable(rq) (!((rq)->flags & RQ_NOMERGE_FLAGS) && blk_fs_request((rq)))
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#define blk_queue_headactive(q, head_active)
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#define BLKPREP_OK 0
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#define BLKPREP_KILL 1
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#define BLKPREP_DEFER 2
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#define BLK_BOUNCE_HIGH ((u64)blk_max_low_pfn << PAGE_SHIFT)
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#define BLK_BOUNCE_ANY ((u64)blk_max_pfn << PAGE_SHIFT)
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#define BLK_BOUNCE_ISA (ISA_DMA_THRESHOLD)
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#define rq_for_each_bio(_bio, rq) if ((rq->bio)) for (_bio = (rq)->bio; _bio; _bio = _bio->bi_next)
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struct sec_size {
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unsigned block_size;
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unsigned block_size_bits;
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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};
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#define end_io_error(uptodate) (unlikely((uptodate) <= 0))
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#define blk_queue_tag_depth(q) ((q)->queue_tags->busy)
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#define blk_queue_tag_queue(q) ((q)->queue_tags->busy < (q)->queue_tags->max_depth)
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#define blk_rq_tagged(rq) ((rq)->flags & REQ_QUEUED)
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#define MAX_PHYS_SEGMENTS 128
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#define MAX_HW_SEGMENTS 128
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#define SAFE_MAX_SECTORS 255
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#define BLK_DEF_MAX_SECTORS 1024
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#define MAX_SEGMENT_SIZE 65536
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#define blkdev_entry_to_request(entry) list_entry((entry), struct request, queuelist)
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#define blk_finished_io(nsects) do { } while (0)
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#define blk_started_io(nsects) do { } while (0)
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typedef struct {struct page *v;} Sector;
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struct work_struct;
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#define sector_div(n, b)( { int _res; _res = (n) % (b); (n) /= (b); _res; } )
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/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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#define MODULE_ALIAS_BLOCKDEV(major,minor) MODULE_ALIAS("block-major-" __stringify(major) "-" __stringify(minor))
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#define MODULE_ALIAS_BLOCKDEV_MAJOR(major) MODULE_ALIAS("block-major-" __stringify(major) "-*")
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#endif
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