On 01/15/2016 04:25 AM, Filipe Manana wrote: > 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. So, just to spell it out, I understand that de/re-compression is unavoidable? (And I'll post that to my stackexchange question.) >> Have a nice day, >> Timofey. Thanks /D. -- 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
