On Sat, Mar 02, 2019 at 05:12:42PM -0600, Russell Mosemann wrote: > I used btrfs-progs (4.17-1~bpo9+1) from the backports repository, which > does have zstd support. btrfs-check does need zstd support. Otherwise, it > will error out with unsupported feature (10). >
Unfortunately official 4.17-1~bpo9+1 does not, because Zstd support wasn't enabled in Debian's btrfs-progs until 4.19.1-2; however, kernel support for zstd+btrfs first appeared in linux-4.14. wget http://ftp.debian.org/debian/pool/main/b/btrfs-progs/btrfs-progs_4.17-1~bpo9+1+b1_amd64.deb mkdir unpacked && cd unpacked dpkg -x ../btrfs-progs_4.17-1~bpo9+1+b1_amd64.deb . ldd bin/btrfs linux-vdso.so.1 (0x00007ffc6abea000) libuuid.so.1 => /lib/x86_64-linux-gnu/libuuid.so.1 (0x00007ff58fe60000) libblkid.so.1 => /lib/x86_64-linux-gnu/libblkid.so.1 (0x00007ff58fc1a000) libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007ff58fa00000) liblzo2.so.2 => /lib/x86_64-linux-gnu/liblzo2.so.2 (0x00007ff58f7de000) # If libzstd.so.1 was linked in it would appear here. libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007ff58f5c1000) libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007ff58f222000) /lib64/ld-linux-x86-64.so.2 (0x00007ff59031d000) Looking forward to the isolated writer test results! Cheers, Nicholas
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