mirror of https://github.com/schoebel/mars
51 lines
968 B
C
51 lines
968 B
C
// (c) 2010 Thomas Schoebel-Theuer / 1&1 Internet AG
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#ifndef MARS_IF_DEVICE_H
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#define MARS_IF_DEVICE_H
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#include <linux/semaphore.h>
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#define HT_SHIFT 6 //????
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#define MARS_MAX_SEGMENT_SIZE (1U << (9+HT_SHIFT))
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#define MAX_BIO 8
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struct if_device_mref_aspect {
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GENERIC_ASPECT(mref);
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//struct list_head tmp_head;
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struct list_head plug_head;
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int maxlen;
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int bio_count;
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#if 1
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int xxx;
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int yyy;
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#endif
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struct page *orig_page;
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struct bio *orig_bio[MAX_BIO];
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struct generic_callback cb;
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struct if_device_input *input;
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};
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struct if_device_input {
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MARS_INPUT(if_device);
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struct list_head plug_anchor;
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struct request_queue *q;
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struct gendisk *disk;
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struct block_device *bdev;
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spinlock_t req_lock;
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struct semaphore kick_sem;
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struct generic_object_layout mref_object_layout;
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};
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struct if_device_output {
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MARS_OUTPUT(if_device);
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};
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struct if_device_brick {
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MARS_BRICK(if_device);
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struct if_device_output hidden_output;
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};
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MARS_TYPES(if_device);
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#endif
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