Messages in this thread Patch in this message | | | Subject | [RFC][PATCH 8/9] cgroups: block: cfq: I/O bandwidth controlling subsystem for CGroups based on CFQ | From | Vasily Tarasov <> | Date | Fri, 15 Feb 2008 01:59:55 -0500 |
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From: Vasily Tarasov <vtaras@openvz.org>
Configurable cgroup time slice support.
Signed-off-by: Vasily Tarasov <vtaras@openvz.org>
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--- linux-2.6.25-rc5-mm1/block/cfq-iosched.c.slice 2008-02-15 01:11:45.000000000 -0500 +++ linux-2.6.25-rc5-mm1/block/cfq-iosched.c 2008-02-15 01:12:22.000000000 -0500 @@ -2150,6 +2150,7 @@ SHOW_FUNCTION(cfq_slice_idle_show, cfqd- SHOW_FUNCTION(cfq_slice_sync_show, cfqd->cfq_slice[1], 1); SHOW_FUNCTION(cfq_slice_async_show, cfqd->cfq_slice[0], 1); SHOW_FUNCTION(cfq_slice_async_rq_show, cfqd->cfq_slice_async_rq, 0); +SHOW_FUNCTION(cfq_cgrp_slice_show, cfqd->cfqio_cgrp_slice, 1); #undef SHOW_FUNCTION #define STORE_FUNCTION(__FUNC, __PTR, MIN, MAX, __CONV) \ @@ -2181,6 +2182,7 @@ STORE_FUNCTION(cfq_slice_sync_store, &cf STORE_FUNCTION(cfq_slice_async_store, &cfqd->cfq_slice[0], 1, UINT_MAX, 1); STORE_FUNCTION(cfq_slice_async_rq_store, &cfqd->cfq_slice_async_rq, 1, UINT_MAX, 0); +STORE_FUNCTION(cfq_cgrp_slice_store, &cfqd->cfqio_cgrp_slice, 1, UINT_MAX, 1); #undef STORE_FUNCTION #define CFQ_ATTR(name) \ @@ -2196,6 +2198,7 @@ static struct elv_fs_entry cfq_attrs[] = CFQ_ATTR(slice_async), CFQ_ATTR(slice_async_rq), CFQ_ATTR(slice_idle), + CFQ_ATTR(cgrp_slice), __ATTR_NULL };
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