* fs/nfs/./nfstrace.h:1483:1: sparse: sparse: dereference of noderef expression
@ 2026-02-17 1:04 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-02-17 1:04 UTC (permalink / raw)
To: Jeff Layton
Cc: oe-kbuild-all, linux-kernel, Anna Schumaker, Benjamin Coddington
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9702969978695d9a699a1f34771580cdbb153b33
commit: b6ef079fd984930dcc42f4b247777f296528507e nfs: more in-depth tracing of writepage events
date: 5 months ago
config: i386-randconfig-061-20260215 (https://download.01.org/0day-ci/archive/20260217/202602170807.6sL9tkvg-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260217/202602170807.6sL9tkvg-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202602170807.6sL9tkvg-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
fs/nfs/nfstrace.c: note: in included file (through include/trace/trace_events.h, include/trace/define_trace.h, fs/nfs/nfstrace.h):
>> fs/nfs/./nfstrace.h:1483:1: sparse: sparse: dereference of noderef expression
fs/nfs/nfstrace.c: note: in included file (through include/trace/trace_events.h, include/trace/define_trace.h, fs/nfs/nfstrace.h):
>> fs/nfs/./nfstrace.h:1483:1: sparse: sparse: dereference of noderef expression
fs/nfs/nfstrace.c: note: in included file (through include/trace/perf.h, include/trace/define_trace.h, fs/nfs/nfstrace.h):
>> fs/nfs/./nfstrace.h:1483:1: sparse: sparse: dereference of noderef expression
vim +1483 fs/nfs/./nfstrace.h
1482
> 1483 DECLARE_EVENT_CLASS(nfs_page_class,
1484 TP_PROTO(
1485 const struct nfs_page *req
1486 ),
1487
1488 TP_ARGS(req),
1489
1490 TP_STRUCT__entry(
1491 __field(dev_t, dev)
1492 __field(u32, fhandle)
1493 __field(u64, fileid)
1494 __field(const struct nfs_page *__private, req)
1495 __field(loff_t, offset)
1496 __field(unsigned int, count)
1497 __field(unsigned long, flags)
1498 ),
1499
1500 TP_fast_assign(
1501 const struct inode *inode = folio_inode(req->wb_folio);
1502 const struct nfs_inode *nfsi = NFS_I(inode);
1503
1504 __entry->dev = inode->i_sb->s_dev;
1505 __entry->fileid = nfsi->fileid;
1506 __entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
1507 __entry->req = req;
1508 __entry->offset = req_offset(req);
1509 __entry->count = req->wb_bytes;
1510 __entry->flags = req->wb_flags;
1511 ),
1512
1513 TP_printk(
1514 "fileid=%02x:%02x:%llu fhandle=0x%08x req=%p offset=%lld count=%u flags=%s",
1515 MAJOR(__entry->dev), MINOR(__entry->dev),
1516 (unsigned long long)__entry->fileid, __entry->fhandle,
1517 __entry->req, __entry->offset, __entry->count,
1518 nfs_show_wb_flags(__entry->flags)
1519 )
1520 );
1521
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread
* fs/nfs/./nfstrace.h:1483:1: sparse: sparse: dereference of noderef expression
@ 2025-12-10 22:19 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2025-12-10 22:19 UTC (permalink / raw)
To: Jeff Layton
Cc: oe-kbuild-all, linux-kernel, Anna Schumaker, Benjamin Coddington
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 0048fbb4011ec55c32d3148b2cda56433f273375
commit: b6ef079fd984930dcc42f4b247777f296528507e nfs: more in-depth tracing of writepage events
date: 3 months ago
config: i386-randconfig-r113-20251210 (https://download.01.org/0day-ci/archive/20251211/202512110613.PQnFrrXt-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251211/202512110613.PQnFrrXt-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512110613.PQnFrrXt-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
fs/nfs/nfstrace.c: note: in included file (through include/trace/trace_events.h, include/trace/define_trace.h, fs/nfs/nfstrace.h):
>> fs/nfs/./nfstrace.h:1483:1: sparse: sparse: dereference of noderef expression
fs/nfs/nfstrace.c: note: in included file (through include/trace/trace_events.h, include/trace/define_trace.h, fs/nfs/nfstrace.h):
>> fs/nfs/./nfstrace.h:1483:1: sparse: sparse: dereference of noderef expression
fs/nfs/nfstrace.c: note: in included file (through include/trace/perf.h, include/trace/define_trace.h, fs/nfs/nfstrace.h):
>> fs/nfs/./nfstrace.h:1483:1: sparse: sparse: dereference of noderef expression
vim +1483 fs/nfs/./nfstrace.h
1482
> 1483 DECLARE_EVENT_CLASS(nfs_page_class,
1484 TP_PROTO(
1485 const struct nfs_page *req
1486 ),
1487
1488 TP_ARGS(req),
1489
1490 TP_STRUCT__entry(
1491 __field(dev_t, dev)
1492 __field(u32, fhandle)
1493 __field(u64, fileid)
1494 __field(const struct nfs_page *__private, req)
1495 __field(loff_t, offset)
1496 __field(unsigned int, count)
1497 __field(unsigned long, flags)
1498 ),
1499
1500 TP_fast_assign(
1501 const struct inode *inode = folio_inode(req->wb_folio);
1502 const struct nfs_inode *nfsi = NFS_I(inode);
1503
1504 __entry->dev = inode->i_sb->s_dev;
1505 __entry->fileid = nfsi->fileid;
1506 __entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
1507 __entry->req = req;
1508 __entry->offset = req_offset(req);
1509 __entry->count = req->wb_bytes;
1510 __entry->flags = req->wb_flags;
1511 ),
1512
1513 TP_printk(
1514 "fileid=%02x:%02x:%llu fhandle=0x%08x req=%p offset=%lld count=%u flags=%s",
1515 MAJOR(__entry->dev), MINOR(__entry->dev),
1516 (unsigned long long)__entry->fileid, __entry->fhandle,
1517 __entry->req, __entry->offset, __entry->count,
1518 nfs_show_wb_flags(__entry->flags)
1519 )
1520 );
1521
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread
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