Hi Chao

What patch do you mean?

Redards

P.S. It's reply to all :)

On 11/26/18 5:52 PM, Chao Yu wrote:
Hi Perfect Gentleman,

Thanks for the report.

On 2018/11/25 13:24, Perfect Gentleman wrote:
Hi f2fs-team,

there is bug: fsck.f2fs cannot check read-only filesystem. But 1.11.0
can do that.

fsck              |Info: Fix the reported corruption.
fsck              |Info: Mounted device!
fsck              |Info: Check FS only due to RO
fsck              |Error: Failed to open the device!
I guess this is due to below commit, which stop opening device in
f2fs-tools if the device has already been opened by other one, like mount.

https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs-tools.git/commit/?h=dev-test&id=eb9d8037ed3b37a647d514470f1a1df91daedb64

I tried e2fsprogs, w/o -f option, the result is the same:

fsck 1.44.4 (18-Aug-2018)
e2fsck 1.44.4 (18-Aug-2018)
/dev/zram0 is mounted.
e2fsck: Cannot continue, aborting.

But still we can trigger forced fsck.ext4 by using -f option.

Could you have a try with following patch?

[PATCH] fsck.f2fs: allow to fsck readonly image w/ -f option

Thanks,

fsck              | * Filesystems couldn't be fixed
   [ !! ]
fsck              | * ERROR: fsck failed to start

Regards,
Alex



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