Re: [PATCH] jbd2: do not start commit when t_updates does not back tozero

[Theodore Ts'o]

On Sat, Mar 30, 2019 at 03:24:44PM +0800, liu.song11@xxxxxxxxxx wrote:
> 
> When we unzipped bunch of files under ext4, sometimes got hungtask warning
> which indicate process was waiting on "j_wait_transaction_locked".

Can you give a clean repro of this?  What sort of storage device are
you using, and what sort of file systems and mount options are you
using?  I unzip files under ext4 all the time w/o any problems....

	  	      	    	     - Ted