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Petersen" , Johannes Thumshirn Subject: [PATCH 12/16] blktrace: add block trace commands for zone operations Date: Tue, 9 Sep 2025 13:06:07 +0200 Message-Id: <20250909110611.75559-13-johannes.thumshirn@wdc.com> X-Mailer: git-send-email 2.39.5 (Apple Git-154) In-Reply-To: <20250909110611.75559-1-johannes.thumshirn@wdc.com> References: <20250909110611.75559-1-johannes.thumshirn@wdc.com> 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" Add block trace commands for zone operations. These are added as a separate set of 'block trace commands' shifted by 32bit so that they do not interfere with the old 16bit wide trace command field in 'struct blk_io_trace' action. Signed-off-by: Johannes Thumshirn --- include/uapi/linux/blktrace_api.h | 11 +++++++++++ kernel/trace/blktrace.c | 18 ++++++++++++++++++ 2 files changed, 29 insertions(+) diff --git a/include/uapi/linux/blktrace_api.h b/include/uapi/linux/blktrac= e_api.h index 01779f84d09f..d5047467c8ee 100644 --- a/include/uapi/linux/blktrace_api.h +++ b/include/uapi/linux/blktrace_api.h @@ -29,8 +29,19 @@ enum blktrace_cat { BLK_TC_END =3D 1 << 15, /* we've run out of bits! */ }; =20 +enum blktrace_cat2 { + BLK_TC_ZONE_APPEND =3D 1 << 1ull, /* zone append */ + BLK_TC_ZONE_RESET =3D 1 << 2ull, /* zone reset */ + BLK_TC_ZONE_RESET_ALL =3D 1 << 3ull, /* zone reset all */ + BLK_TC_ZONE_FINISH =3D 1 << 4ull, /* zone finish */ + BLK_TC_ZONE_OPEN =3D 1 << 5ull, /* zone open */ + BLK_TC_ZONE_CLOSE =3D 1 << 6ull, /* zone close */ +}; + #define BLK_TC_SHIFT (16) #define BLK_TC_ACT(act) ((act) << BLK_TC_SHIFT) +#define BLK_TC_SHIFT2 (32) +#define BLK_TC_ACT2(act) ((u64)(act) << BLK_TC_SHIFT2) =20 /* * Basic trace actions diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index 82ad626d6202..62f6cfcee4f6 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -333,6 +333,24 @@ static void __blk_add_trace(struct blk_trace *bt, sect= or_t sector, int bytes, case REQ_OP_FLUSH: what |=3D BLK_TC_ACT(BLK_TC_FLUSH); break; + case REQ_OP_ZONE_APPEND: + what |=3D BLK_TC_ACT2(BLK_TC_ZONE_APPEND); + break; + case REQ_OP_ZONE_RESET: + what |=3D BLK_TC_ACT2(BLK_TC_ZONE_RESET); + break; + case REQ_OP_ZONE_RESET_ALL: + what |=3D BLK_TC_ACT2(BLK_TC_ZONE_RESET_ALL); + break; + case REQ_OP_ZONE_FINISH: + what |=3D BLK_TC_ACT2(BLK_TC_ZONE_FINISH); + break; + case REQ_OP_ZONE_OPEN: + what |=3D BLK_TC_ACT2(BLK_TC_ZONE_OPEN); + break; + case REQ_OP_ZONE_CLOSE: + what |=3D BLK_TC_ACT2(BLK_TC_ZONE_CLOSE); + break; default: break; } --=20 2.51.0