>On Fri, Mar 08, 2013 at 09:51:24AM +0800, majianpeng wrote: >> It ignored to judge the result of cache_create. >> If cache_create failed, but the copy_ctr_args successed. > >Thanks for reporting this, but I already added this patch to linux-next today: > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=f1ccbd181202c660b237b9bef0af277b980d5073 > >and will push the batch of 7 patches upstream either Friday or early >next week. (I'm waiting to hear about two more patches first: a fix for >a theoretical problem that's been discovered and a possible adjustment >to the hints metadata.) > >Alasdair > I wanted to use dm-cache on softraid5 to improve the performance. But i don't know how to use.I readed the document and found a example: >dmsetup create my_cache --table '0 41943040 cache /dev/mapper/metadata \ > /dev/mapper/ssd /dev/mapper/origin 512 1 writeback default 0' After the this, mke2fs on /dev/mapper/origin met error. Did i use my_cache or origin to mkfs? Thanks! Jianpeng Ma -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
