From: Mike Snitzer <snitzer@kernel.org>
To: Trond Myklebust <trond.myklebust@hammerspace.com>,
Anna Schumaker <anna.schumaker@oracle.com>
Cc: linux-nfs@vger.kernel.org
Subject: [PATCH v8 2/9] nfs/localio: make trace_nfs_local_open_fh more useful
Date: Fri, 15 Aug 2025 19:29:56 -0400 [thread overview]
Message-ID: <20250815233003.55071-3-snitzer@kernel.org> (raw)
In-Reply-To: <20250815233003.55071-1-snitzer@kernel.org>
Always trigger trace event when LOCALIO opens a file.
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
---
fs/nfs/localio.c | 5 +++--
fs/nfs/nfstrace.h | 6 +++---
2 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/fs/nfs/localio.c b/fs/nfs/localio.c
index 97abf62f109d2..42ea50d42c995 100644
--- a/fs/nfs/localio.c
+++ b/fs/nfs/localio.c
@@ -231,13 +231,13 @@ __nfs_local_open_fh(struct nfs_client *clp, const struct cred *cred,
struct nfsd_file __rcu **pnf,
const fmode_t mode)
{
+ int status = 0;
struct nfsd_file *localio;
localio = nfs_open_local_fh(&clp->cl_uuid, clp->cl_rpcclient,
cred, fh, nfl, pnf, mode);
if (IS_ERR(localio)) {
- int status = PTR_ERR(localio);
- trace_nfs_local_open_fh(fh, mode, status);
+ status = PTR_ERR(localio);
switch (status) {
case -ENOMEM:
case -ENXIO:
@@ -247,6 +247,7 @@ __nfs_local_open_fh(struct nfs_client *clp, const struct cred *cred,
nfs_local_probe(clp);
}
}
+ trace_nfs_local_open_fh(fh, mode, status);
return localio;
}
diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h
index 96b1323318c2f..4ec66d5e9cc6c 100644
--- a/fs/nfs/nfstrace.h
+++ b/fs/nfs/nfstrace.h
@@ -1712,10 +1712,10 @@ TRACE_EVENT(nfs_local_open_fh,
),
TP_printk(
- "error=%d fhandle=0x%08x mode=%s",
- __entry->error,
+ "fhandle=0x%08x mode=%s result=%d",
__entry->fhandle,
- show_fs_fmode_flags(__entry->fmode)
+ show_fs_fmode_flags(__entry->fmode),
+ __entry->error
)
);
--
2.44.0
next prev parent reply other threads:[~2025-08-15 23:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-15 23:29 [PATCH v8 0/9] NFS DIRECT: align misaligned DIO for LOCALIO Mike Snitzer
2025-08-15 23:29 ` [PATCH v8 1/9] nfs/localio: avoid bouncing LOCALIO if nfs_client_is_local() Mike Snitzer
2025-08-15 23:29 ` Mike Snitzer [this message]
2025-08-15 23:29 ` [PATCH v8 3/9] nfs/localio: avoid issuing misaligned IO using O_DIRECT Mike Snitzer
2025-08-15 23:29 ` [PATCH v8 4/9] nfs/localio: refactor iocb and iov_iter_bvec initialization Mike Snitzer
2025-08-15 23:29 ` [PATCH v8 5/9] nfs/localio: refactor iocb initialization Mike Snitzer
2025-08-15 23:30 ` [PATCH v8 6/9] nfs/direct: add misaligned READ handling Mike Snitzer
2025-08-15 23:30 ` [PATCH v8 7/9] nfs/direct: add misaligned WRITE handling Mike Snitzer
2025-08-15 23:30 ` [PATCH v8 8/9] nfs/direct: add tracepoints for misaligned DIO READ and WRITE support Mike Snitzer
2025-08-15 23:30 ` [PATCH v8 9/9] NFS: add basic STATX_DIOALIGN and STATX_DIO_READ_ALIGN support Mike Snitzer
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