Re: [PATCH] fuse: add support for copy_file_range()

From: kbuild test robot
Date: Wed Jun 27 2018 - 04:26:31 EST


Hi Niels,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on fuse/for-next]
[also build test ERROR on v4.18-rc2 next-20180626]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Niels-de-Vos/fuse-add-support-for-copy_file_range/20180627-155404
base: https://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git for-next
config: mips-allyesconfig (attached as .config)
compiler: mips-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.2.0 make.cross ARCH=mips

All errors (new ones prefixed by >>):

>> fs/fuse/file.c:3092:21: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
.copy_file_range = fuse_copy_file_range,
^~~~~~~~~~~~~~~~~~~~
fs/fuse/file.c:3092:21: note: (near initialization for 'fuse_file_operations.copy_file_range')
cc1: some warnings being treated as errors

vim +3092 fs/fuse/file.c

3075
3076 static const struct file_operations fuse_file_operations = {
3077 .llseek = fuse_file_llseek,
3078 .read_iter = fuse_file_read_iter,
3079 .write_iter = fuse_file_write_iter,
3080 .mmap = fuse_file_mmap,
3081 .open = fuse_open,
3082 .flush = fuse_flush,
3083 .release = fuse_release,
3084 .fsync = fuse_fsync,
3085 .lock = fuse_file_lock,
3086 .flock = fuse_file_flock,
3087 .splice_read = generic_file_splice_read,
3088 .unlocked_ioctl = fuse_file_ioctl,
3089 .compat_ioctl = fuse_file_compat_ioctl,
3090 .poll = fuse_file_poll,
3091 .fallocate = fuse_file_fallocate,
> 3092 .copy_file_range = fuse_copy_file_range,
3093 };
3094

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