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| author | Jeff Moyer <jmoyer@redhat.com> | 2009-10-23 17:14:49 -0400 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-10-26 14:34:46 +0100 |
| commit | b2c18e1e08a5a9663094d57bb4be2f02226ee61c (patch) | |
| tree | 55c092706a0d8a9e645f245bf2ecc45c29ba5aa7 /include/linux/iocontext.h | |
| parent | c30f33437c3f85ec48353a1ef811e148217a2aaf (diff) | |
| download | lwn-b2c18e1e08a5a9663094d57bb4be2f02226ee61c.tar.gz lwn-b2c18e1e08a5a9663094d57bb4be2f02226ee61c.zip | |
cfq: calculate the seek_mean per cfq_queue not per cfq_io_context
async cfq_queue's are already shared between processes within the same
priority, and forthcoming patches will change the mapping of cic to sync
cfq_queue from 1:1 to 1:N. So, calculate the seekiness of a process
based on the cfq_queue instead of the cfq_io_context.
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include/linux/iocontext.h')
| -rw-r--r-- | include/linux/iocontext.h | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h index 4da4a75c3f1e..eb73632440f1 100644 --- a/include/linux/iocontext.h +++ b/include/linux/iocontext.h @@ -40,16 +40,11 @@ struct cfq_io_context { struct io_context *ioc; unsigned long last_end_request; - sector_t last_request_pos; unsigned long ttime_total; unsigned long ttime_samples; unsigned long ttime_mean; - unsigned int seek_samples; - u64 seek_total; - sector_t seek_mean; - struct list_head queue_list; struct hlist_node cic_list; |