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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 v7 05/11] nfs/localio: make trace_nfs_local_open_fh more useful
Date: Tue,  5 Aug 2025 19:21:00 -0400	[thread overview]
Message-ID: <20250805232106.8656-6-snitzer@kernel.org> (raw)
In-Reply-To: <20250805232106.8656-1-snitzer@kernel.org>

From: Mike Snitzer <snitzer@hammerspace.com>

Always trigger trace event when LOCALIO opens a file.

Signed-off-by: Mike Snitzer <snitzer@hammerspace.com>
---
 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 9adcd1380bbba..2a6e1d3a764ba 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


  parent reply	other threads:[~2025-08-05 23:21 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-05 23:20 [PATCH v7 00/11] NFS DIRECT: align misaligned DIO for LOCALIO Mike Snitzer
2025-08-05 23:20 ` [PATCH v7 01/11] NFS/localio: nfs_close_local_fh() fix check for file closed Mike Snitzer
2025-08-05 23:20 ` [PATCH v7 02/11] NFS/localio: nfs_uuid_put() fix races with nfs_open/close_local_fh() Mike Snitzer
2025-08-05 23:20 ` [PATCH v7 03/11] NFS/localio: nfs_uuid_put() fix the wake up after unlinking the file Mike Snitzer
2025-08-05 23:20 ` [PATCH v7 04/11] nfs/localio: avoid bouncing LOCALIO if nfs_client_is_local() Mike Snitzer
2025-08-05 23:21 ` Mike Snitzer [this message]
2025-08-05 23:21 ` [PATCH v7 06/11] nfs/localio: add nfsd_file_dio_alignment Mike Snitzer
2025-08-05 23:21 ` [PATCH v7 07/11] nfs/localio: refactor iocb initialization Mike Snitzer
2025-08-05 23:21 ` [PATCH v7 08/11] nfs/localio: fallback to NFSD for misaligned O_DIRECT READs Mike Snitzer
2025-08-05 23:21 ` [PATCH v7 09/11] nfs/direct: add misaligned READ handling Mike Snitzer
2025-08-05 23:21 ` [PATCH v7 10/11] nfs/direct: add misaligned WRITE handling Mike Snitzer
2025-08-05 23:21 ` [PATCH v7 11/11] NFS: add basic STATX_DIOALIGN and STATX_DIO_READ_ALIGN support Mike Snitzer

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