[LU-18517] incompatible pointer types passing 'struct fs_disk_quota *'

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.17.0
• Severity: 3
• Assignee: Sohei Koyama
• Reporter: Shuichi Ihara

Description

While lustre is building by clang (clang-18.1.3), an error reported below.

[    0.000000] Linux version 6.8.0-49-generic-clang-2 (ubuntu@u2404-srv1) (Ubuntu clang version 18.1.3 (1ubuntu1), Ubuntu LLD 18.1.3) #4 SMP PREEMPT_DYNAMIC Thu Dec  5 14:18:20 UTC 2024 (Ubuntu 6.8.0-49.49-generic 6.8
.12)

$ sh ./autogen.sh
$ ./configure CC=clang 'CFLAGS=-Wno-frame-address -Wno-incompatible-function-pointer-types' --with-linux=/home/ubuntu/linux-source-6.8.0/ LLVM=1

- snip - 

  CC [M]  /home/ubuntu/lustre-release/lustre/osd-ldiskfs/osd_quota.o
/home/ubuntu/lustre-release/lustre/osd-ldiskfs/osd_quota.c:137:38: error: incompatible pointer types passing 'struct fs_disk_quota *' to parameter of type 'struct qc_dqblk *' [-Werror,-Wincompatible-pointer-types]
  137 |         rc = sb->s_qcop->get_dqblk(sb, qid, dqblk);
      |                                             ^~~~~
1 error generated.