An issue with erofsfuse
jnhuang95 at gmail.com
Fri Aug 20 23:26:17 AEST 2021
On 2021/8/20 21:16, Igor Eisberg wrote:
> You're quicker than expected, thanks for answering.
> Not sure how to check if lz4 was builtin, but considering that
> erofsfuse is only about 34.5KB (stripped) I would guess not?
> Here's the output of erofsfuse -d (it prints this but never exists
> back to shell unless I do Ctrl+C):
You can use lz4 --version to check the version of lz4 library, I have
got the same error on the old version, better to use the version above
If the problem still exists, you can use the -d --dbglevel=9 option, and
then perform a read to get the detailed log.
> erofsfuse 1.3
> disk: product.img
> mountpoint: product-mnt
> dbglevel: 7
> FUSE library version: 2.9.9
> nullpath_ok: 0
> nopath: 0
> utime_omit_ok: 0
> unique: 1, opcode: INIT (26), nodeid: 0, insize: 56, pid: 0
> INIT: 7.27
> EROFS: erofsfuse_init() Line Using FUSE protocol 7.27
> INIT: 7.19
> unique: 1, success, outsize: 40
> On Fri, 20 Aug 2021 at 15:49, Gao Xiang <xiang at kernel.org> wrote:
> Hi Igor,
> On Fri, Aug 20, 2021 at 03:34:05PM +0300, Igor Eisberg wrote:
> > Hey there, getting straight to the point.
> > Our team is using Debian 10, in which erofs mounting is not
> supported and
> > we have no option of updating the kernel, nor do we have sudo
> > on this server.
> > Our only choice is to use erofsfuse to mount an Android image
> > was used on that image), for the sole purpose of extracting its
> contents to
> > another folder for processing.
> > Tried on Debian 10, pop_OS! and even the latest Kubuntu (where
> > mounting is supported), but on all of them I could not copy
> files which are
> > compressed from the mounted image to another location (ext4 file
> > The error I'm getting is: "Operation not supported (95)"
> Thanks for your feedback.
> Could you check if lz4 was built-in when building erofsfuse? I guess
> that is the reason (lack of lz4 support builtin).
> If not, could you add -d to erofsfuse when starting up?
> Gao Xiang
> > Notes:
> > * Only extremely small (< 1 KB) files which are stored
> uncompressed are
> > copied successfully.
> > * Copying works perfectly when mounting the image with "sudo
> mount" on the
> > latest Kubuntu, so it has to be something with erofsfuse.
> > Anything you can do to help resolve this?
> > Best,
> > Igor.
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