[PATCH 2.6.20-rc5] dm-multipath: fix stall on noflush suspend/resume

2007-01-19 Thread Jun'ichi Nomura
Allow noflush suspend/resume of device-mapper device only for the case where the device size is unchanged. Otherwise, dm-multipath devices can stall when resumed if noflush was used when suspending them, all paths have failed and queue_if_no_path is set. Explanation: 1. Something is doing

[PATCH 2.6.20-rc5] dm-multipath: fix stall on noflush suspend/resume

2007-01-19 Thread Jun'ichi Nomura
Allow noflush suspend/resume of device-mapper device only for the case where the device size is unchanged. Otherwise, dm-multipath devices can stall when resumed if noflush was used when suspending them, all paths have failed and queue_if_no_path is set. Explanation: 1. Something is doing