On Wed, Sep 7, 2011 at 1:44 AM, Jeff Liu <[email protected]> wrote: > On 09/07/2011 12:37 PM, cwillu wrote: >>> >>> 1. Create and format two images, the 1st in 400Mbytes, and 2nd in >>> 286Mbytes. >>> root@pibroch:/btrfs-progs# ls -lh /usr/src/linux-3.0/img* >>> -rw-r--r-- 1 jeff jeff 400M 2011-09-07 12:00 /usr/src/linux-3.0/img0 >>> -rw-r--r-- 1 jeff jeff 286M 2011-09-07 12:00 /usr/src/linux-3.0/img1 >> >> Very small btrfs filesystem require special handling, mixed block >> groups in particular, which I believe also requires an updated mkfs >> from the integration repo. > > Thanks for your response, however, even if I enlarged the image size to 2G, > still got no luck. > Per Zefan's comments, run 'btrfs device scan' fixed this issue.
you should be able to achieve this via `device=` mount option(s?) as well: https://btrfs.wiki.kernel.org/index.php/Getting_started#Mount_Options ... for completeness :-) ... and posterity or whatever. C Anthony -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
