Hello.
>Can you check if this patch fix your problem also?
Unfortunately your patch does not fix my problem. My test logs are as follow.
I did the same test with lzo compression algorithm and with my patch, and
these work well.
debug_shell:/user> echo 1 > /sys/block/zram0/reset
debug_shell:/user> echo lz4 > /sys/block/zram0/comp_algorithm
debug_shell:/user> echo 520M > /sys/block/zram0/disksize
debug_shell:/user> mkfs.ext4 /dev/zram0
mke2fs 1.41.4 (27-Jan-2009)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
33280 inodes, 133120 blocks
6656 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=138412032
5 block groups
32768 blocks per group, 32768 fragments per group
6656 inodes per group
Superblock backups stored on blocks:
32768, 98304
Writing inode tables: done
Creating journal (4096 blocks): done
Writing superblocks and filesystem accounting information: done
This filesystem will be automatically checked every 25 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.
debug_shell:/user> mount /dev/zram0 /mnt/
EXT4-fs (zram0): unsupported inode size: 272
mount: wrong fs type, bad option, bad superblock on /dev/zram0,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so
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