Hi Chris, On Sun, Mar 3, 2013 at 5:28 PM, Chris Mason <chris.ma...@fusionio.com> wrote: > On Sun, Mar 03, 2013 at 06:40:50AM -0700, Alex Lyakas wrote: >> Greetings all, >> I have an extent tree that looks like follows: >> >> item 22 key (27059916800 EXTENT_ITEM 16384) itemoff 2656 itemsize 24 >> extent refs 1 gen 164 flags 1 >> item 23 key (27059916800 EXTENT_ITEM 98304) itemoff 2603 itemsize 53 >> extent refs 1 gen 165 flags 1 >> extent data backref root 257 objectid 257 offset 17446191104 >> count 1 >> item 24 key (27059916800 SHARED_DATA_REF 47169536) itemoff 2599 >> itemsize 4 >> shared data backref count 1 > > Have you been experimenting on this FS with snapshot deletion patches?
No, I haven't applied any patches on top of the commit I mentioned. (I presume you mean David's patch for one-by-one deletion). Since created, this FS has only seen straight IO with parallel snapshot creation and deletion. However, the kernel was crashing pretty frequently during this test, so I presume log replay was taking place. Any particular thing I can look for in the debug-tree output, except searching for more double-allocations? Thanks, Alex. > > -chris -- 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
