diff mbox series

[1/4] nfsd: add commit start/done tracepoints around nfsd_commit()

Message ID 20250306-nfsd-tracepoints-v1-1-4405bf41b95f@kernel.org (mailing list archive)
State Not Applicable
Headers show
Series nfsd: observability improvements | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Guessed tree name to be net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 4 this patch: 4
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 23 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 14 this patch: 14
netdev/source_inline success Was 0 now: 0

Commit Message

Jeff Layton March 6, 2025, 12:38 p.m. UTC 
Very useful for gauging how long the vfs_fsync_range() takes.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
 fs/nfsd/trace.h | 2 ++
 fs/nfsd/vfs.c   | 3 +++
 2 files changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h
index a7630e9f657776a9335ba68ad223641e3ed9121a..0d49fc064f7273f32c93732a993fd77bc0783f5d 100644
--- a/fs/nfsd/trace.h
+++ b/fs/nfsd/trace.h
@@ -451,6 +451,8 @@  DEFINE_NFSD_IO_EVENT(write_start);
 DEFINE_NFSD_IO_EVENT(write_opened);
 DEFINE_NFSD_IO_EVENT(write_io_done);
 DEFINE_NFSD_IO_EVENT(write_done);
+DEFINE_NFSD_IO_EVENT(commit_start);
+DEFINE_NFSD_IO_EVENT(commit_done);
 
 DECLARE_EVENT_CLASS(nfsd_err_class,
 	TP_PROTO(struct svc_rqst *rqstp,
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 4021b047eb1804f0058f6fb511d3fdfc03a42bf3..390ddfb169083535faa3a2413389e247bdbf4a73 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1339,6 +1339,8 @@  nfsd_commit(struct svc_rqst *rqstp, struct svc_fh *fhp, struct nfsd_file *nf,
 	loff_t			start, end;
 	struct nfsd_net		*nn;
 
+	trace_nfsd_commit_start(rqstp, fhp, offset, count);
+
 	/*
 	 * Convert the client-provided (offset, count) range to a
 	 * (start, end) range. If the client-provided range falls
@@ -1377,6 +1379,7 @@  nfsd_commit(struct svc_rqst *rqstp, struct svc_fh *fhp, struct nfsd_file *nf,
 	} else
 		nfsd_copy_write_verifier(verf, nn);
 
+	trace_nfsd_commit_done(rqstp, fhp, offset, count);
 	return err;
 }