tree: https://android.googlesource.com/kernel/common android-mainline-tracking head: 74f61c888eeeb9cbc57d44c61fafe32df9b3da51 commit: a64891703b75424ffac53792e8b2161fecaa51d3 [365/836] ANDROID: Incremental fs: Support xattrs config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): git remote add android-common https://android.googlesource.com/kernel/common git fetch --no-tags android-common android-mainline-tracking git checkout a64891703b75424ffac53792e8b2161fecaa51d3 # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; Note: the android-common/android-mainline-tracking HEAD 74f61c888eeeb9cbc57d44c61fafe32df9b3da51 builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): fs/incfs/vfs.c:99:11: error: initialization of 'int (*)(struct user_namespace *, struct inode *, struct dentry *, umode_t)' {aka 'int (*)(struct user_namespace *, struct inode *, struct dentry *, short unsigned int)'} from incompatible pointer type 'int (*)(struct inode *, struct dentry *, umode_t)' {aka 'int (*)(struct inode *, struct dentry *, short unsigned int)'} [-Werror=incompatible-pointer-types] 99 | .mkdir = dir_mkdir, | ^~~~~~~~~ fs/incfs/vfs.c:99:11: note: (near initialization for 'incfs_dir_inode_ops.mkdir') fs/incfs/vfs.c:100:12: error: initialization of 'int (*)(struct user_namespace *, struct inode *, struct dentry *, struct inode *, struct dentry *, unsigned int)' from incompatible pointer type 'int (*)(struct inode *, struct dentry *, struct inode *, struct dentry *, unsigned int)' [-Werror=incompatible-pointer-types] 100 | .rename = dir_rename_wrap, | ^~~~~~~~~~~~~~~ fs/incfs/vfs.c:100:12: note: (near initialization for 'incfs_dir_inode_ops.rename') 182 | .set = incfs_handler_setxattr, | ^~~~~~~~~~~~~~~~~~~~~~ fs/incfs/vfs.c:182:9: note: (near initialization for 'incfs_xattr_handler.set') fs/incfs/vfs.c: In function 'read_size_attr': fs/incfs/vfs.c:325:28: error: passing argument 1 of 'vfs_getxattr' from incompatible pointer type [-Werror=incompatible-pointer-types] 325 | bytes_read = vfs_getxattr(backing_dentry, INCFS_XATTR_SIZE_NAME, | ^~~~~~~~~~~~~~ | | | struct dentry * In file included from fs/incfs/vfs.c:17: include/linux/xattr.h:53:22: note: expected 'struct user_namespace *' but argument is of type 'struct dentry *' 53 | ssize_t vfs_getxattr(struct user_namespace *, struct dentry *, const char *, | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from fs/incfs/vfs.c:19: include/uapi/linux/incrementalfs.h:34:31: error: passing argument 2 of 'vfs_getxattr' from incompatible pointer type [-Werror=incompatible-pointer-types] 34 | #define INCFS_XATTR_SIZE_NAME (XATTR_USER_PREFIX "incfs.size") | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | char * fs/incfs/vfs.c:325:44: note: in expansion of macro 'INCFS_XATTR_SIZE_NAME' 325 | bytes_read = vfs_getxattr(backing_dentry, INCFS_XATTR_SIZE_NAME, | ^~~~~~~~~~~~~~~~~~~~~ In file included from fs/incfs/vfs.c:17: include/linux/xattr.h:53:47: note: expected 'struct dentry *' but argument is of type 'char *' 53 | ssize_t vfs_getxattr(struct user_namespace *, struct dentry *, const char *, | ^~~~~~~~~~~~~~~ fs/incfs/vfs.c:326:25: warning: passing argument 4 of 'vfs_getxattr' makes pointer from integer without a cast [-Wint-conversion] 326 | (char *)&attr_value, sizeof(attr_value)); | ^~~~~~~~~~~~~~~~~~ | | | long unsigned int In file included from fs/incfs/vfs.c:17: include/linux/xattr.h:54:8: note: expected 'void *' but argument is of type 'long unsigned int' 54 | void *, size_t); | ^~~~~~ fs/incfs/vfs.c:325:15: error: too few arguments to function 'vfs_getxattr' 325 | bytes_read = vfs_getxattr(backing_dentry, INCFS_XATTR_SIZE_NAME, | ^~~~~~~~~~~~ In file included from fs/incfs/vfs.c:17: include/linux/xattr.h:53:9: note: declared here 53 | ssize_t vfs_getxattr(struct user_namespace *, struct dentry *, const char *, | ^~~~~~~~~~~~ fs/incfs/vfs.c: In function 'inode_set': fs/incfs/vfs.c:404:20: error: passing argument 1 of 'inode_init_owner' from incompatible pointer type [-Werror=incompatible-pointer-types] 404 | inode_init_owner(inode, NULL, S_IFREG | READ_WRITE_FILE_MODE); | ^~~~~ | | | struct inode * In file included from include/linux/huge_mm.h:8, from include/linux/mm.h:707, from include/linux/bvec.h:14, from include/linux/blk_types.h:10, from include/linux/genhd.h:19, from include/linux/blkdev.h:8, from fs/incfs/vfs.c:6: include/linux/fs.h:1828:46: note: expected 'struct user_namespace *' but argument is of type 'struct inode *' 1828 | void inode_init_owner(struct user_namespace *mnt_userns, struct inode *inode, | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~ In file included from include/linux/stat.h:7, from include/linux/fs.h:10, from include/linux/huge_mm.h:8, from include/linux/mm.h:707, from include/linux/bvec.h:14, from include/linux/blk_types.h:10, from include/linux/genhd.h:19, from include/linux/blkdev.h:8, from fs/incfs/vfs.c:6: include/uapi/linux/stat.h:12:18: warning: passing argument 3 of 'inode_init_owner' makes pointer from integer without a cast [-Wint-conversion] 12 | #define S_IFREG 0100000 fs/incfs/vfs.c:404:33: note: in expansion of macro 'S_IFREG' 404 | inode_init_owner(inode, NULL, S_IFREG | READ_WRITE_FILE_MODE); | ^~~~~~~ In file included from include/linux/huge_mm.h:8, from include/linux/mm.h:707, from include/linux/bvec.h:14, from include/linux/blk_types.h:10, from include/linux/genhd.h:19, from include/linux/blkdev.h:8, from fs/incfs/vfs.c:6: include/linux/fs.h:1829:29: note: expected 'const struct inode *' but argument is of type 'int' 1829 | const struct inode *dir, umode_t mode); | ~~~~~~~~~~~~~~~~~~~~^~~ fs/incfs/vfs.c:404:3: error: too few arguments to function 'inode_init_owner' 404 | inode_init_owner(inode, NULL, S_IFREG | READ_WRITE_FILE_MODE); | ^~~~~~~~~~~~~~~~ In file included from include/linux/huge_mm.h:8, from include/linux/mm.h:707, from include/linux/bvec.h:14, from include/linux/blk_types.h:10, from include/linux/genhd.h:19, from include/linux/blkdev.h:8, from fs/incfs/vfs.c:6: include/linux/fs.h:1828:6: note: declared here 1828 | void inode_init_owner(struct user_namespace *mnt_userns, struct inode *inode, | ^~~~~~~~~~~~~~~~ fs/incfs/vfs.c:419:20: error: passing argument 1 of 'inode_init_owner' from incompatible pointer type [-Werror=incompatible-pointer-types] 419 | inode_init_owner(inode, NULL, S_IFREG | READ_WRITE_FILE_MODE); | ^~~~~ | | | struct inode * vim +182 fs/incfs/vfs.c 178 179 static const struct xattr_handler incfs_xattr_handler = { 180 .prefix = "", /* AKA all attributes */ 181 .get = incfs_handler_getxattr, 183 }; 184 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org