On 2017年11月24日 16:20, Lakshmipathi.G wrote: > Okay thanks for the details on btrfs-image. I was about to try with > previous version of > btrfs-image. No, it's not about btrfs-image itself, the flag is introduced long long long way ago. It's about kernel change which doesn't allow image with such flag to be mounted AFAIK. Thanks, Qu > > I'll use v4.14 (https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.14.tar.xz) > and check > again. > > ---- > Cheers, > Lakshmipathi.G > http://www.giis.co.in http://www.webminal.org > > > On Fri, Nov 24, 2017 at 1:36 PM, Qu Wenruo <quwenruo.btrfs@xxxxxxx> wrote: >> >> >> On 2017年11月24日 15:47, Lakshmipathi.G wrote: >>> Hi Qu, >>> >>> I'm using btrfs-progs devel branch. mount command is failing with misc/021. >>> When I tried to manually mount it. dmesg shows "unrecognized super >>> flag: 17179869184" >>> and interestingly "df -h" shows 16E as available! >> >> That flag is meta dump flag, any image recovered from btrfs-image should >> have that flag. >> >> 16E may also related to that, but not a big problem as btrfs-image >> result should only be used by developers, and all its data is wiped out. >> (Maybe one day we will not allow RW mount for such image) >> >> >> The problem happens when you try to mount the image, there may be some >> new commits doing more restrict check for rw mount in devel branch. >> >> Would you please try v4.14 kernel? >> >> Thanks, >> Qu >> >>> >>> https://asciinema.org/a/4JGYg7YGQz1PHtdBRJ6AVw0fh >>> >>> Let me check further. >>> ---- >>> Cheers, >>> Lakshmipathi.G >>> http://www.giis.co.in http://www.webminal.org >>> >>> >>> On Fri, Nov 24, 2017 at 9:55 AM, Lakshmipathi.G >>> <lakshmipathi.g@xxxxxxxxx> wrote: >>>> Hi Qu, >>>> >>>> I'm using the same instance. Let me check again with and without the >>>> commits list on Nov-23 >>>> (https://github.com/kdave/btrfs-devel/commits/misc-next) and get back >>>> with results. >>>> >>>> ---- >>>> Cheers, >>>> Lakshmipathi.G >>>> http://www.giis.co.in http://www.webminal.org >>> -- >>> 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 >>> >> > -- > 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 >
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