include/trace/events/nilfs2.h:191:1: sparse: sparse: cast to restricted blk_opf_t

From: kernel test robot
Date: Thu Aug 04 2022 - 22:03:15 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: c040862bfbd9c5f3cb64e1df1c623e20e38fe656
commit: ed4512590bd5839f8ea9eef1626b0f4db626b1d1 fs/nilfs2: Use the enum req_op and blk_opf_t types
date: 3 weeks ago
config: x86_64-randconfig-s023 (https://download.01.org/0day-ci/archive/20220805/202208051050.mUx9O9G8-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ed4512590bd5839f8ea9eef1626b0f4db626b1d1
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout ed4512590bd5839f8ea9eef1626b0f4db626b1d1
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash fs/nilfs2/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

sparse warnings: (new ones prefixed by >>)
fs/nilfs2/segment.c: note: in included file (through include/trace/trace_events.h, include/trace/define_trace.h, include/trace/events/nilfs2.h):
>> include/trace/events/nilfs2.h:191:1: sparse: sparse: cast to restricted blk_opf_t
>> include/trace/events/nilfs2.h:191:1: sparse: sparse: cast to restricted blk_opf_t
>> include/trace/events/nilfs2.h:191:1: sparse: sparse: restricted blk_opf_t degrades to integer
>> include/trace/events/nilfs2.h:191:1: sparse: sparse: restricted blk_opf_t degrades to integer

vim +191 include/trace/events/nilfs2.h

a9cd207c23ca4f Hitoshi Mitake 2015-11-06 190
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 @191 TRACE_EVENT(nilfs2_mdt_submit_block,
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 192 TP_PROTO(struct inode *inode,
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 193 unsigned long ino,
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 194 unsigned long blkoff,
ed4512590bd583 Bart Van Assche 2022-07-14 195 enum req_op mode),
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 196
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 197 TP_ARGS(inode, ino, blkoff, mode),
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 198
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 199 TP_STRUCT__entry(
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 200 __field(struct inode *, inode)
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 201 __field(unsigned long, ino)
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 202 __field(unsigned long, blkoff)
ed4512590bd583 Bart Van Assche 2022-07-14 203 __field(enum req_op, mode)
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 204 ),
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 205
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 206 TP_fast_assign(
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 207 __entry->inode = inode;
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 208 __entry->ino = ino;
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 209 __entry->blkoff = blkoff;
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 210 __entry->mode = mode;
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 211 ),
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 212
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 213 TP_printk("inode = %p ino = %lu blkoff = %lu mode = %x",
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 214 __entry->inode,
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 215 __entry->ino,
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 216 __entry->blkoff,
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 217 __entry->mode)
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 218 );
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 219

:::::: The code at line 191 was first introduced by commit
:::::: a9cd207c23ca4fa5bd5f1092e867e87542e349a3 nilfs2: add tracepoints for analyzing reading and writing metadata files

:::::: TO: Hitoshi Mitake <mitake.hitoshi@xxxxxxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>

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