From: Stephen Rothwell <sfr@canb.auug.org.au>
To: Trond Myklebust <trondmy@gmail.com>
Cc: Linux Next Mailing List <linux-next@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: linux-next: build warning after merge of the nfs tree
Date: Wed, 12 Aug 2020 09:10:21 +1000 [thread overview]
Message-ID: <20200812091021.7865278d@canb.auug.org.au> (raw)
In-Reply-To: <20200807103640.116e82f6@canb.auug.org.au>
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Hi all,
On Fri, 7 Aug 2020 10:36:40 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> 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")
I am still getting this warning ...
--
Cheers,
Stephen Rothwell
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next prev parent reply other threads:[~2020-08-11 23:10 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-07 0:36 linux-next: build warning after merge of the nfs tree Stephen Rothwell
2020-08-11 23:10 ` Stephen Rothwell [this message]
-- strict thread matches above, loose matches on Subject: below --
2018-06-05 0:17 Stephen Rothwell
2018-06-05 14:53 ` Trond Myklebust
2018-06-05 14:53 ` Trond Myklebust
2018-01-15 21:44 Stephen Rothwell
2015-10-20 4:37 Stephen Rothwell
2014-06-17 1:26 Stephen Rothwell
2012-03-20 8:34 Stephen Rothwell
2012-03-20 13:28 ` Myklebust, Trond
2012-03-20 2:14 Stephen Rothwell
2010-08-04 1:32 Stephen Rothwell
2010-08-04 2:09 ` Trond Myklebust
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