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authorIngo Molnar <mingo@elte.hu>2010-02-26 03:18:32 -0500
committerIngo Molnar <mingo@elte.hu>2010-02-26 03:18:32 -0500
commit64b9fb5704a479d98a59f2a1d45d3331a8f847f8 (patch)
tree2b1052b05fa7615c817894bc9802bc5bb2af7ac1 /include/linux/iocontext.h
parent83f0d53993b2967e54186468b0fc4321447f68f1 (diff)
parent60b341b778cc2929df16c0a504c91621b3c6a4ad (diff)
Merge commit 'v2.6.33' into tracing/core
Conflicts: scripts/recordmcount.pl Merge reason: Merge up to v2.6.33. Signed-off-by: Ingo Molnar <mingo@elte.hu>
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;