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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-02-25 17:10:38 -0500
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-02-25 17:10:38 -0500
commit9f33be2c3a80bdc2cc08342dd77fac87652e0548 (patch)
tree7ad6e825427a15c5ec0fc15540abc0429d7f4bce /include/linux/iocontext.h
parent2741ecb4ce5c2d430b5c44b0a169038338c21df5 (diff)
parenteed18b5fa4d297c681b00144e8c6942dd35d39a7 (diff)
Merge branches 'clks' and 'pnx' into devel
Diffstat (limited to 'include/linux/iocontext.h')
-rw-r--r--include/linux/iocontext.h27
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 */
10struct 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
33struct cfq_queue; 7struct cfq_queue;
34struct cfq_io_context { 8struct 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;