zfs 2.3.5: compilation error with clang #17959
Description
This is a report for an up-to-date endeavouros with
clang 21.1.5-1
llvm 21.1.5-1
llvm-libs 21.1.5-1
I am using the linux-tkg kernels. I typically use gcc but today I wanted to try the llvm toolchain.
The gcc build works fine.
When I compile kernel 6.12.58 with llvm I get a zfs-dkms build fail:
From /var/lib/dkms/zfs/2.3.5/build/make.log :
...
checking whether bio->bi_bdev->bd_disk exists... yes
checking whether block_device_operations->submit_bio() returns void... yes
checking whether bio_alloc() wants 4 args... yes
checking whether blkdev_get_by_path() exists and takes 3 args... no
checking whether blkdev_get_by_path() exists and takes 4 args... no
checking whether bdev_open_by_path() exists... no
checking whether bdev_file_open_by_path() exists... no
configure: error:
*** None of the expected "blkdev_get_by_path()" interfaces were detected.
*** This may be because your kernel version is newer than what is
*** supported, or you are using a patched custom kernel with
*** incompatible modifications.
***
*** ZFS Version: zfs-2.3.5-1
*** Compatible Kernels: 4.18 - 6.17
# exit code: 1
# elapsed time: 00:00:32
I am not aware of any incompatible linux-tkg changes. Thats why I am posting this here.