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authormajianpeng <majianpeng@gmail.com>2012-10-31 11:59:10 +1100
committerNeilBrown <neilb@suse.de>2012-12-13 16:41:40 +1100
commit54f89341e8b8da0cdac8a7b873491739de19f098 (patch)
tree360f937ada4613db9772ef1a28f9503cb4457169 /lib
parent35d78c66969fbbb51046e9f251849cf54e9ed88c (diff)
downloadlinux-54f89341e8b8da0cdac8a7b873491739de19f098.tar.bz2
md: Update checkpoint of resync/recovery based on time.
md will current only only checkpoint recovery or resync ever 1/16th of the device size. As devices get larger this can become a long time an so a lot of work that might need to be duplicated after a shutdown. So add a time-based checkpoint. Every 5 minutes limits the amount of duplicated effort to at most 5 minutes, and has almost zero impact on performance. [changelog entry re-written by NeilBrown] Signed-off-by: Jianpeng Ma <majianpeng@gmail.com> Signed-off-by: NeilBrown <neilb@suse.de>
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