[PATCH 0/4] io-controller: Use names rather than major:minor
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From: Chad Talbott on 25 Mar 2010 14:10 This stack (which includes Gui's patch for per-device weights), changes the various blkio.* stats to use the disks' names (sda, sdb, etc.) rather than major:minor pairs when printing statistics. Additionally setting a per-device policy can be done via the disk's name. This has the side effect of fixing the "root cgroup shows no stats" problem that Ricky mentioned. Chad --- Chad Talbott (4): blkio_group key change: void * -> request_queue * Adds an RCU-protected pointer to request_queue that makes it easy to io-controller: Add a new interface "weight_device" for IO-Controller Use disk-names to set blkio.weight_device policy block/blk-cgroup.c | 224 +++++++++++++++++++++++++++++++++++++++++++++--- block/blk-cgroup.h | 23 ++++- block/blk-sysfs.c | 4 + block/cfq-iosched.c | 27 ++---- include/linux/blkdev.h | 6 + 5 files changed, 248 insertions(+), 36 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |