On 09/09/2012 08:05 PM, ching wrote: > On 09/09/2012 05:11 PM, Fajar A. Nugraha wrote: >> On Sun, Sep 9, 2012 at 2:49 PM, ching <lschin...@gmail.com> wrote: >>> On 09/09/2012 08:30 AM, Jan Steffens wrote: >>>> On Sun, Sep 9, 2012 at 2:03 AM, ching <lschin...@gmail.com> wrote: >>>>> 2. Is there any command for the fragmentation status of a file/dir ? e.g. >>>>> fragment size, number of fragments. >>>> Use the "filefrag" command, part of e2fsprogs. >>>> >>> my image is a 16G sparse file, after defragment, it still has 101387 >>> extents, is it normal? >> Is compression enabled? If so, yes, it's normal. >> > compression with lzo. > > thanks. i will retry with compression disabled when 3.6 is stable.
i just realize that it is possible to control compression per file by file attribute http://radudi.com/index.php/2011/08/31/using-btrfs-per-file-and-per-directory-compression/ when i try to follow example above, no file attribute is shown (my mount option is rw,noatime,compress-force=lzo,space_cache,inode_cache) $lsattr -V Linux.raw_image lsattr 1.42.5 (29-Jul-2012) ---------------- Linux.raw_image is there any official resource/web page for control compression per file by file attribute? -- 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
