diff options
Diffstat (limited to 'include/linux/iocontext.h')
| -rw-r--r-- | include/linux/iocontext.h | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h index a63235996309..78ef023227d4 100644 --- a/include/linux/iocontext.h +++ b/include/linux/iocontext.h | |||
| @@ -4,32 +4,6 @@ | |||
| 4 | #include <linux/radix-tree.h> | 4 | #include <linux/radix-tree.h> |
| 5 | #include <linux/rcupdate.h> | 5 | #include <linux/rcupdate.h> |
| 6 | 6 | ||
| 7 | /* | ||
| 8 | * This is the per-process anticipatory I/O scheduler state. | ||
| 9 | */ | ||
| 10 | struct as_io_context { | ||
| 11 | spinlock_t lock; | ||
| 12 | |||
| 13 | void (*dtor)(struct as_io_context *aic); /* destructor */ | ||
| 14 | void (*exit)(struct as_io_context *aic); /* called on task exit */ | ||
| 15 | |||
| 16 | unsigned long state; | ||
| 17 | atomic_t nr_queued; /* queued reads & sync writes */ | ||
| 18 | atomic_t nr_dispatched; /* number of requests gone to the drivers */ | ||
| 19 | |||
| 20 | /* IO History tracking */ | ||
| 21 | /* Thinktime */ | ||
| 22 | unsigned long last_end_request; | ||
| 23 | unsigned long ttime_total; | ||
| 24 | unsigned long ttime_samples; | ||
| 25 | unsigned long ttime_mean; | ||
| 26 | /* Layout pattern */ | ||
| 27 | unsigned int seek_samples; | ||
| 28 | sector_t last_request_pos; | ||
| 29 | u64 seek_total; | ||
| 30 | sector_t seek_mean; | ||
| 31 | }; | ||
| 32 | |||
| 33 | struct cfq_queue; | 7 | struct cfq_queue; |
| 34 | struct cfq_io_context { | 8 | struct cfq_io_context { |
| 35 | void *key; | 9 | void *key; |
| @@ -78,7 +52,6 @@ struct io_context { | |||
| 78 | unsigned long last_waited; /* Time last woken after wait for request */ | 52 | unsigned long last_waited; /* Time last woken after wait for request */ |
| 79 | int nr_batch_requests; /* Number of requests left in the batch */ | 53 | int nr_batch_requests; /* Number of requests left in the batch */ |
| 80 | 54 | ||
| 81 | struct as_io_context *aic; | ||
| 82 | struct radix_tree_root radix_root; | 55 | struct radix_tree_root radix_root; |
| 83 | struct hlist_head cic_list; | 56 | struct hlist_head cic_list; |
| 84 | void *ioc_data; | 57 | void *ioc_data; |
