Hi Christophe, kernel test robot noticed the following build errors: [auto build test ERROR on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/Christophe-JAILLET/libceph-Use-__counted_by-in-struct-ceph_snap_context/20240519-172142 base: net-next/main patch link: https://lore.kernel.org/r/5b7c72bdb52703bbfa5511ed500aed4babde1308.1716109606.git.christophe.jaillet%40wanadoo.fr patch subject: [PATCH 1/2 net-next] libceph: Use sruct_size() in ceph_create_snap_context() config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20240519/202405191916.QmDasdJ5-lkp@xxxxxxxxx/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240519/202405191916.QmDasdJ5-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202405191916.QmDasdJ5-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> net/ceph/snapshot.c:32:18: error: call to undeclared function 'sruct_size'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 32 | snapc = kzalloc(sruct_size(snapc, snaps, snap_count), gfp_flags); | ^ >> net/ceph/snapshot.c:32:36: error: use of undeclared identifier 'snaps'; did you mean 'snapc'? 32 | snapc = kzalloc(sruct_size(snapc, snaps, snap_count), gfp_flags); | ^~~~~ | snapc net/ceph/snapshot.c:30:28: note: 'snapc' declared here 30 | struct ceph_snap_context *snapc; | ^ 2 errors generated. vim +/sruct_size +32 net/ceph/snapshot.c 11 12 /* 13 * Ceph snapshot contexts are reference counted objects, and the 14 * returned structure holds a single reference. Acquire additional 15 * references with ceph_get_snap_context(), and release them with 16 * ceph_put_snap_context(). When the reference count reaches zero 17 * the entire structure is freed. 18 */ 19 20 /* 21 * Create a new ceph snapshot context large enough to hold the 22 * indicated number of snapshot ids (which can be 0). Caller has 23 * to fill in snapc->seq and snapc->snaps[0..snap_count-1]. 24 * 25 * Returns a null pointer if an error occurs. 26 */ 27 struct ceph_snap_context *ceph_create_snap_context(u32 snap_count, 28 gfp_t gfp_flags) 29 { 30 struct ceph_snap_context *snapc; 31 > 32 snapc = kzalloc(sruct_size(snapc, snaps, snap_count), gfp_flags); 33 if (!snapc) 34 return NULL; 35 36 refcount_set(&snapc->nref, 1); 37 snapc->num_snaps = snap_count; 38 39 return snapc; 40 } 41 EXPORT_SYMBOL(ceph_create_snap_context); 42 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
