Hi all, After merging the nfs tree, today's linux-next build (powerpc ppc64_defconfig) produced this warning:
In file included from include/trace/define_trace.h:102,
from fs/nfs/nfs4trace.h:2316,
from fs/nfs/nfs4trace.c:13:
fs/nfs/./nfs4trace.h: In function 'trace_event_raw_event_nfs4_read_event':
fs/nfs/./nfs4trace.h:1767:34: warning: unused variable 'lo' [-Wunused-variable]
1767 | const struct pnfs_layout_hdr *lo = lseg ?
| ^~
include/trace/trace_events.h:707:4: note: in definition of macro
'DECLARE_EVENT_CLASS'
707 | { assign; } \
| ^~~~~~
fs/nfs/./nfs4trace.h:1759:3: note: in expansion of macro 'TP_fast_assign'
1759 | TP_fast_assign(
| ^~~~~~~~~~~~~~
fs/nfs/./nfs4trace.h: In function 'trace_event_raw_event_nfs4_write_event':
fs/nfs/./nfs4trace.h:1844:34: warning: unused variable 'lo' [-Wunused-variable]
1844 | const struct pnfs_layout_hdr *lo = lseg ?
| ^~
include/trace/trace_events.h:707:4: note: in definition of macro
'DECLARE_EVENT_CLASS'
707 | { assign; } \
| ^~~~~~
fs/nfs/./nfs4trace.h:1836:3: note: in expansion of macro 'TP_fast_assign'
1836 | TP_fast_assign(
| ^~~~~~~~~~~~~~
fs/nfs/./nfs4trace.h: In function 'trace_event_raw_event_nfs4_commit_event':
fs/nfs/./nfs4trace.h:1917:34: warning: unused variable 'lo' [-Wunused-variable]
1917 | const struct pnfs_layout_hdr *lo = lseg ?
| ^~
include/trace/trace_events.h:707:4: note: in definition of macro
'DECLARE_EVENT_CLASS'
707 | { assign; } \
| ^~~~~~
fs/nfs/./nfs4trace.h:1911:3: note: in expansion of macro 'TP_fast_assign'
1911 | TP_fast_assign(
| ^~~~~~~~~~~~~~
In file included from include/trace/define_trace.h:103,
from fs/nfs/nfs4trace.h:2316,
from fs/nfs/nfs4trace.c:13:
fs/nfs/./nfs4trace.h: In function 'perf_trace_nfs4_read_event':
fs/nfs/./nfs4trace.h:1767:34: warning: unused variable 'lo' [-Wunused-variable]
1767 | const struct pnfs_layout_hdr *lo = lseg ?
| ^~
include/trace/perf.h:66:4: note: in definition of macro 'DECLARE_EVENT_CLASS'
66 | { assign; } \
| ^~~~~~
fs/nfs/./nfs4trace.h:1759:3: note: in expansion of macro 'TP_fast_assign'
1759 | TP_fast_assign(
| ^~~~~~~~~~~~~~
fs/nfs/./nfs4trace.h: In function 'perf_trace_nfs4_write_event':
fs/nfs/./nfs4trace.h:1844:34: warning: unused variable 'lo' [-Wunused-variable]
1844 | const struct pnfs_layout_hdr *lo = lseg ?
| ^~
include/trace/perf.h:66:4: note: in definition of macro 'DECLARE_EVENT_CLASS'
66 | { assign; } \
| ^~~~~~
fs/nfs/./nfs4trace.h:1836:3: note: in expansion of macro 'TP_fast_assign'
1836 | TP_fast_assign(
| ^~~~~~~~~~~~~~
fs/nfs/./nfs4trace.h: In function 'perf_trace_nfs4_commit_event':
fs/nfs/./nfs4trace.h:1917:34: warning: unused variable 'lo' [-Wunused-variable]
1917 | const struct pnfs_layout_hdr *lo = lseg ?
| ^~
include/trace/perf.h:66:4: note: in definition of macro 'DECLARE_EVENT_CLASS'
66 | { assign; } \
| ^~~~~~
fs/nfs/./nfs4trace.h:1911:3: note: in expansion of macro 'TP_fast_assign'
1911 | TP_fast_assign(
| ^~~~~~~~~~~~~~
Introduced by commit
34daa637f2b2 ("NFS: Add layout segment info to pnfs read/write/commit
tracepoints")
--
Cheers,
Stephen Rothwell
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