On 09/10/2012 08:19 PM, ching wrote: > 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? >
FYI, git://git.kernel.org/pub/scm/fs/ext2/e2fsprogs.git > -- > 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 > -- 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
