Mark H Weaver <[email protected]> wrote: > > Now many bytes have been written past the hole? > > Did you read my entire message? The answer to your question was just a > few lines beyond the excerpt that you quoted above. I wrote: > > >> Yes, on Btrfs I reliably see (st_blocks == 0) on a recently written, > >> mostly sparse file with size > 8G, using linux-libre-4.14.14. More > >> specifically, the "storing sparse files > 8G" test in tar's test suite > >> reliably fails on my system: > >> > >> 140: storing sparse files > 8G FAILED > >> (sparse03.at:29) > >> > >> The test creates a sparse file consisting of 8 gibibytes of hole > >> followed by 512 bytes of 'A's at the end. [...]
Sorry, I did not see this. Well then it would be of interest whether btrfs is able to keep 512 bytes of data in the meta data space. Jörg -- EMail:[email protected] (home) Jörg Schilling D-13353 Berlin [email protected] (work) Blog: http://schily.blogspot.com/ URL: http://cdrecord.org/private/ http://sf.net/projects/schilytools/files/'
