Public bug reported:
[ Impact ]
The DKMS does not compile from source in Noble with kernel 6.11:
/var/lib/dkms/dm-writeboost/2.2.16/build/dm-writeboost-target.c: In function
‘wb_io_fn’:
/var/lib/dkms/dm-writeboost/2.2.16/build/dm-writeboost-target.c:56:19: error:
too few arguments to function ‘dm_io’
56 | io->err = dm_io(io->io_req, io->num_regions, io->regions,
&io->err_bits);
| ^~~~~
In file included from
/var/lib/dkms/dm-writeboost/2.2.16/build/dm-writeboost.h:37,
from
/var/lib/dkms/dm-writeboost/2.2.16/build/dm-writeboost-target.c:23:
./include/linux/dm-io.h:82:5: note: declared here
82 | int dm_io(struct dm_io_request *io_req, unsigned int num_regions,
| ^~~~~
/var/lib/dkms/dm-writeboost/2.2.16/build/dm-writeboost-target.c: In function
‘wb_io_internal’:
/var/lib/dkms/dm-writeboost/2.2.16/build/dm-writeboost-target.c:82:23: error:
too few arguments to function ‘dm_io’
82 | err = dm_io(io_req, num_regions, regions, err_bits);
| ^~~~~
./include/linux/dm-io.h:82:5: note: declared here
82 | int dm_io(struct dm_io_request *io_req, unsigned int num_regions,
| ^~~~~
/var/lib/dkms/dm-writeboost/2.2.16/build/dm-writeboost-target.c: In function
‘dm_devsize’:
/var/lib/dkms/dm-writeboost/2.2.16/build/dm-writeboost-target.c:108:37: error:
‘struct block_device’ has no member named ‘bd_inode’
108 | return i_size_read(dev->bdev->bd_inode) >> 9;
| ^~
/var/lib/dkms/dm-writeboost/2.2.16/build/dm-writeboost-target.c:109:1: error:
control reaches end of non-void function [-Werror=return-type]
109 | }
| ^
[ Test case ]
Install the latest linux-6.11 kernel on Noble:
$ sudo add-apt-repository ppa:canonical-kernel-team/ppa
$ sudo apt update
$ sudo apt install linux-image-6.11.0-12-generic \
linux-modules-6.11.0-12-generic \
linux-modules-extra-6.11.0-12-generic \
linux-headers-6.11.0-12-generic
Install dm-writeboost-dkms:
$ sudo apt install dm-writeboost-dkms
Load the module:
$ sudo modprobe dm-writeboost
[ Fix ]
Patch the code to properly support the new linux 6.11 ABI.
[Regression potential]
System using the dm-writeboost-dkms may experience regressions,
especially with a kernel >= 6.11, affecting storage performance.
** Affects: dm-writeboost (Ubuntu)
Importance: Undecided
Assignee: Massimiliano Pellizzer (mpellizzer)
Status: In Progress
** Affects: dm-writeboost (Ubuntu Noble)
Importance: Undecided
Status: In Progress
** Also affects: dm-writeboost (Ubuntu Noble)
Importance: Undecided
Status: New
** Changed in: dm-writeboost (Ubuntu Noble)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/2091313
Title:
dm-writeboost-dkms FTBS in Noble with linux-6.11-hwe kernel
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