> [ ... ] these extents are all over the place, they're not > contiguous at all. 4K here, 4K there, 4K over there, back to > 4K here next to this one, 4K over there...12K over there, 500K > unwritten, 4K over there. This seems not so consequential on > SSD, [ ... ]
Indeed there were recent reports that the 'ssd' mount option causes that, IIRC by Hans van Kranenburg (around 2017-04-17), which also noticed issues with the wandering trees in certain situations (around 2017-04-08). -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
