mkfs.erofs fails (failed to build shared xattrs, err 61)

[Gael Donval]

> On 2024/3/12 18:44, Gao Xiang wrote:
> > Hi Gael,
> > 
> > On 2024/3/12 17:57, Gael Donval wrote:
> > > Dear list,
> > > 
> > >     $ mkdir foo && touch foo/bar && mkfs.erofs foo.erofs.img foo
> > >     mkfs.erofs 1.7.1
> > >     <E> erofs: failed to build shared xattrs: [Error 61] No data
> > > available
> > >     <E> erofs:     Could not format the device : [Error 61] No
> > > data available
> > > That is at a location backed by BTRFS (btrfs-progs v6.7.1) on
> > > kernel 6.8.0.
> > > 
> > > If I use a TMPFS-supported folder instead all goes well.
> > > 
> > > 
> > > Of course (NB "-x-1"),
> > > 
> > >     $ mkdir foo && touch foo/bar && mkfs.erofs -x-1 foo.erofs.img
> > > foo
> > > 
> > > also works but is not how mkfs.erofs is meant to work in the
> > > general case.
> > 
> > Thanks for your feedback.
> > 
> > Currently I don't have some BTRFS environment, I could set up one
> > later.
> > Yet in parallel could you provide a full message of
> > "strace mkfs.erofs -x-1 foo.erofs.img foo" on BTRFS too?
> 
> sorry, I meant "strace mkfs.erofs foo.erofs.img foo"

Hi,

Here it is.

Thanks for your help,
Gaël


> 
> Thanks,
> Gao Xiang
> 
> > 
> > Thanks,
> > Gao Xiang
> > 
> > > 
> > > Kind regards,
> > > Gaël

-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: strace_mkfs_erofs
URL: <http://lists.ozlabs.org/pipermail/linux-erofs/attachments/20240312/de50b3ec/attachment.ksh>