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[73.143.21.186]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8cfc9088df1sm843364185a.25.2026.03.23.09.01.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Mar 2026 09:01:34 -0700 (PDT) From: "Vineeth Pillai (Google)" To: Cc: "Vineeth Pillai (Google)" , Steven Rostedt , Peter Zijlstra , Chris Mason , David Sterba , linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Subject: [PATCH v2 15/19] btrfs: Use trace_call__##name() at guarded tracepoint call sites Date: Mon, 23 Mar 2026 12:00:34 -0400 Message-ID: <20260323160052.17528-16-vineeth@bitbyteword.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260323160052.17528-1-vineeth@bitbyteword.org> References: <20260323160052.17528-1-vineeth@bitbyteword.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Replace trace_foo() with the new trace_call__foo() at sites already guarded by trace_foo_enabled(), avoiding a redundant static_branch_unlikely() re-evaluation inside the tracepoint. trace_call__foo() calls the tracepoint callbacks directly without utilizing the static branch again. Suggested-by: Steven Rostedt Suggested-by: Peter Zijlstra Signed-off-by: Vineeth Pillai (Google) Assisted-by: Claude:claude-sonnet-4-6 --- fs/btrfs/extent_map.c | 4 ++-- fs/btrfs/raid56.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index 095a561d733f0..9284c0a81befb 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -1318,7 +1318,7 @@ static void btrfs_extent_map_shrinker_worker(struct w= ork_struct *work) if (trace_btrfs_extent_map_shrinker_scan_enter_enabled()) { s64 nr =3D percpu_counter_sum_positive(&fs_info->evictable_extent_maps); =20 - trace_btrfs_extent_map_shrinker_scan_enter(fs_info, nr); + trace_call__btrfs_extent_map_shrinker_scan_enter(fs_info, nr); } =20 while (ctx.scanned < ctx.nr_to_scan && !btrfs_fs_closing(fs_info)) { @@ -1358,7 +1358,7 @@ static void btrfs_extent_map_shrinker_worker(struct w= ork_struct *work) if (trace_btrfs_extent_map_shrinker_scan_exit_enabled()) { s64 nr =3D percpu_counter_sum_positive(&fs_info->evictable_extent_maps); =20 - trace_btrfs_extent_map_shrinker_scan_exit(fs_info, nr_dropped, nr); + trace_call__btrfs_extent_map_shrinker_scan_exit(fs_info, nr_dropped, nr); } =20 atomic64_set(&fs_info->em_shrinker_nr_to_scan, 0); diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index b4511f560e929..0b5b2432aedf6 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -1743,7 +1743,7 @@ static void submit_read_wait_bio_list(struct btrfs_ra= id_bio *rbio, struct raid56_bio_trace_info trace_info =3D { 0 }; =20 bio_get_trace_info(rbio, bio, &trace_info); - trace_raid56_read(rbio, bio, &trace_info); + trace_call__raid56_read(rbio, bio, &trace_info); } submit_bio(bio); } @@ -2420,7 +2420,7 @@ static void submit_write_bios(struct btrfs_raid_bio *= rbio, struct raid56_bio_trace_info trace_info =3D { 0 }; =20 bio_get_trace_info(rbio, bio, &trace_info); - trace_raid56_write(rbio, bio, &trace_info); + trace_call__raid56_write(rbio, bio, &trace_info); } submit_bio(bio); } --=20 2.53.0