On Fri, Jan 15, 2016 at 9:56 AM, Timofey Titovets <nefelim4ag@xxxxxxxxx> wrote: > 2016-01-15 12:00 GMT+03:00 Diagon <kernel.boxy@xxxxxxxx>: >> I'm copying a large number of files between two lzo compressed BtrFS >> filesystems on different drives mounted on the same machine. It appears >> that the files are being de/re-compressed. Is there a way avoid this? > > If you just copy files, files will be decompressed while reading and > recompressed while writing > For avoiding this, you must use send receive feature No, send/receive does not avoid decompression on the send side nor re-compression at the receiving side. The receiving side writes the data from a send stream, which is uncompressed, to the destination filesystem using standard system calls like write/pwrite. > > > -- > Have a nice day, > Timofey. > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Filipe David Manana, "Reasonable men adapt themselves to the world. Unreasonable men adapt the world to themselves. That's why all progress depends on unreasonable men." -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
