{"shas":[["10016c3d014ffe8df4bee518439f62192d471272","39b28f342388deb5b19584637eaeed658ed0d1e3@users.sf.net","add more cond_resched() calls during shrink/merge\n\nSnapshot delete happens in 2 passes: shrink and merge.\nShrink pass may have read all snapshot metadata to page cache\ncausing the merge pass to run for a long time with no I/O.\nWe need to add mode cond_resched() points during merge, to prevent\nsystem freeze on single CPU machine.","Amir Goldstein"]],"ref":"refs/heads/next4-stable","size":1,"head":"10016c3d014ffe8df4bee518439f62192d471272","push_id":35727445}