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Wed, 5 Mar 2025 06:39:02 +0000 (GMT) Received: from epsmgms1p2new.samsung.com (unknown [182.195.42.42]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20250305063902epsmtrp186bab5405ccc7260f85ac3c2a461a3a7~p1NT7a_fz2258822588epsmtrp1u; Wed, 5 Mar 2025 06:39:02 +0000 (GMT) X-AuditID: b6c32a4b-fe9f470000004df4-11-67c80015e871 Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p2new.samsung.com (Symantec Messaging Gateway) with SMTP id 4A.22.18949.681F7C76; Wed, 5 Mar 2025 15:39:02 +0900 (KST) Received: from localhost.localdomain (unknown [107.99.41.245]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20250305063900epsmtip1582c8740aa78aebb0515aa22178dde26~p1NSeAAn01091010910epsmtip1F; Wed, 5 Mar 2025 06:39:00 +0000 (GMT) From: Anuj Gupta To: axboe@kernel.dk, hch@lst.de, martin.petersen@oracle.com Cc: anuj1072538@gmail.com, nikh1092@linux.ibm.com, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, dm-devel@lists.linux.dev, Anuj Gupta Subject: [PATCH v3 1/2] block: ensure correct integrity capability propagation in stacked devices Date: Wed, 5 Mar 2025 12:00:32 +0530 Message-Id: <20250305063033.1813-2-anuj20.g@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250305063033.1813-1-anuj20.g@samsung.com> Precedence: bulk X-Mailing-List: dm-devel@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrPJsWRmVeSWpSXmKPExsWy7bCmuq4ow4l0g8U/zSw+fv3NYtE04S+z xeq7/WwWCxbNZbFYufook8XeW9oW85c9Zbfovr6DzWL58X9MFncvPmV24PLYOesuu8fls6Ue ExYdYPTYvKTe48XmmYweu282sHl8fHqLxaNvyypGj8+b5AI4o7JtMlITU1KLFFLzkvNTMvPS bZW8g+Od403NDAx1DS0tzJUU8hJzU22VXHwCdN0yc4DOVFIoS8wpBQoFJBYXK+nb2RTll5ak KmTkF5fYKqUWpOQUmBToFSfmFpfmpevlpZZYGRoYGJkCFSZkZ5yZtoml4JRoxdZ1s5gaGL8J djFyckgImEgc+LSaqYuRi0NIYDejxJS/31kgnE+MEh+PnmGEcL4xSmx938MK0/Ln51ZWiMRe RomZs+6xgCSEBD4zSpw4pgZiswmoSxx53grUzcEhImAt8f61OEg9s8BZRom/jf9ZQOLCAskS N5fpgpSzCKhKPJ79GGwMr4CFxI9FG1kgdslLzLz0nR3E5hSwlPi1dQYzRI2gxMmZT8BqmIFq mrfOZgaZLyEwk0Pi5fFrbBDNLhKbrx5ihLCFJV4d38IOYUtJvOxvg7LTJX5cfsoEYRdINB/b B1VvL9F6qp8Z5E5mAU2J9bv0IcKyElNPrWOC2Msn0fv7CVQrr8SOeTC2kkT7yjlQtoTE3nMN ULaHxOs9r6FB3cMocXdvA+MERoVZSP6ZheSfWQirFzAyr2KUTC0ozk1PLTYtMM5LLYdHcnJ+ 7iZGcMrV8t7B+OjBB71DjEwcjIcYJTiYlUR4X586ni7Em5JYWZValB9fVJqTWnyI0RQY4BOZ pUST84FJP68k3tDE0sDEzMzMxNLYzFBJnLd5Z0u6kEB6YklqdmpqQWoRTB8TB6dUA5OJLCfL vpu3zh8onNOSGKFRftdWWOru+88hJY99maLlJeckOLyR69o+SXuZ7tnEHt6cC1+enPf89fwm +6QD2ora/jypb8T45N9dT2TrvH/JKXjPnKcL4mbpZIX9CVf1+Wjw39nH5qvSs6MFBi9eMv7M nyj77d25x/Kzcrce+TF30V77P5tL/4tY9CsfvPvEUvOaY02JWfXMX4F/Qrl6u6yjeXfKnrr6 yXOBJvepE9c3xuttfFt6oO5cqJ+NX7ZbalZG7IVH95/q7L4vlMtlYshlJftyavviLXNi045v mZ62bv5V28v9qye85UxYy/N9h2GziPuWe93aGdWJFpMKF2tn/A4xUHfeqJyuMfXJxm9KLMUZ iYZazEXFiQDSbB6kQgQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrKLMWRmVeSWpSXmKPExsWy7bCSnG7bx+PpBhe+slp8/PqbxaJpwl9m i9V3+9ksFiyay2KxcvVRJou9t7Qt5i97ym7RfX0Hm8Xy4/+YLO5efMrswOWxc9Zddo/LZ0s9 Jiw6wOixeUm9x4vNMxk9dt9sYPP4+PQWi0ffllWMHp83yQVwRnHZpKTmZJalFunbJXBlnJm2 iaXglGjF1nWzmBoYvwl2MXJySAiYSPz5uZW1i5GLQ0hgN6PExI8drBAJCYlTL5cxQtjCEiv/ PWcHsYUEPjJKfNvHDWKzCahLHHneClTDwSEiYC9x70cFyBxmgcuMElNefWEFiQsLJEpsm2cG Us4ioCrxePZjFhCbV8BC4seijSwQ4+UlZl76DjaeU8BS4tfWGcwQqywk5qzYwQhRLyhxcuYT sHpmoPrmrbOZJzAKzEKSmoUktYCRaRWjZGpBcW56brFhgVFearlecWJucWleul5yfu4mRnBM aGntYNyz6oPeIUYmDsZDjBIczEoivK9PHU8X4k1JrKxKLcqPLyrNSS0+xCjNwaIkzvvtdW+K kEB6YklqdmpqQWoRTJaJg1OqgWm/NO/r3PgTblVSZwujv2ReZU1bqpA7V/tnuN3ctX9vyC/f 1/WBm3fyNvmHyQ5LzYtt79s3fn0b7xKf8v9r2p/XiXl5lRGTN6mc7y683pvVcC0+q9+s/3UD 28QN3+5tOsbG3NIu+Hbpm5hexWvR1y+YfpWckM0rKc66VmKVxZwLBw8ybL2/uCZeYn3ZOfvm ujP7Z3qK3f/k8i53dt82xumsTtk2v9NdapVObkuL73n8NtAkfmqXQeOnWr3p65/scqxfFyDU UHMtMsOicVpt7gzuyjdbvpSIejcsrmrTb4z4Z+9VadnRtk83xe7nrxOR1T52BcbWkvl/9VYV t5bd4arj+z1hF2Nr5C0T3eu1SizFGYmGWsxFxYkA+zUGVvgCAAA= X-CMS-MailID: 20250305063902epcas5p25cc1df91006f1bb35ea782ec430b6d4b X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250305063902epcas5p25cc1df91006f1bb35ea782ec430b6d4b References: <20250305063033.1813-1-anuj20.g@samsung.com> queue_limits_stack_integrity() incorrectly sets BLK_INTEGRITY_DEVICE_CAPABLE for a DM device even when none of its underlying devices support integrity. This happens because the flag is inherited unconditionally. Ensure that integrity capabilities are correctly propagated only when the underlying devices actually support integrity. Reported-by: M Nikhil Link: https://lore.kernel.org/linux-block/f6130475-3ccd-45d2-abde-3ccceada0f0a@linux.ibm.com/ Fixes: c6e56cf6b2e7 ("block: move integrity information into queue_limits") Signed-off-by: Anuj Gupta Reviewed-by: Christoph Hellwig --- block/blk-settings.c | 50 +++++++++++++++++++------------------------- 1 file changed, 21 insertions(+), 29 deletions(-) diff --git a/block/blk-settings.c b/block/blk-settings.c index c44dadc35e1e..d0469a812734 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -859,36 +859,28 @@ bool queue_limits_stack_integrity(struct queue_limits *t, if (!IS_ENABLED(CONFIG_BLK_DEV_INTEGRITY)) return true; - if (!ti->tuple_size) { - /* inherit the settings from the first underlying device */ - if (!(ti->flags & BLK_INTEGRITY_STACKED)) { - ti->flags = BLK_INTEGRITY_DEVICE_CAPABLE | - (bi->flags & BLK_INTEGRITY_REF_TAG); - ti->csum_type = bi->csum_type; - ti->tuple_size = bi->tuple_size; - ti->pi_offset = bi->pi_offset; - ti->interval_exp = bi->interval_exp; - ti->tag_size = bi->tag_size; - goto done; - } - if (!bi->tuple_size) - goto done; + if (ti->flags & BLK_INTEGRITY_STACKED) { + if (ti->tuple_size != bi->tuple_size) + goto incompatible; + if (ti->interval_exp != bi->interval_exp) + goto incompatible; + if (ti->tag_size != bi->tag_size) + goto incompatible; + if (ti->csum_type != bi->csum_type) + goto incompatible; + if ((ti->flags & BLK_INTEGRITY_REF_TAG) != + (bi->flags & BLK_INTEGRITY_REF_TAG)) + goto incompatible; + } else { + ti->flags = BLK_INTEGRITY_STACKED; + ti->flags |= (bi->flags & BLK_INTEGRITY_DEVICE_CAPABLE) | + (bi->flags & BLK_INTEGRITY_REF_TAG); + ti->csum_type = bi->csum_type; + ti->tuple_size = bi->tuple_size; + ti->pi_offset = bi->pi_offset; + ti->interval_exp = bi->interval_exp; + ti->tag_size = bi->tag_size; } - - if (ti->tuple_size != bi->tuple_size) - goto incompatible; - if (ti->interval_exp != bi->interval_exp) - goto incompatible; - if (ti->tag_size != bi->tag_size) - goto incompatible; - if (ti->csum_type != bi->csum_type) - goto incompatible; 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Wed, 5 Mar 2025 16:41:14 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas5p4.samsung.com (KnoxPortal) with ESMTPA id 20250305063903epcas5p46a5f908f6500fc34795b8330534d0c15~p1NVfvCZa1303613036epcas5p4a; Wed, 5 Mar 2025 06:39:03 +0000 (GMT) Received: from epsmgmcp1.samsung.com (unknown [182.195.42.82]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20250305063903epsmtrp23591450b4b388ff249873f5ee48260b1~p1NVe2cOS0766407664epsmtrp25; Wed, 5 Mar 2025 06:39:03 +0000 (GMT) X-AuditID: b6c32a44-363dc70000004cfe-e6-67c8001a6787 Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgmcp1.samsung.com (Symantec Messaging Gateway) with SMTP id 67.63.33707.781F7C76; Wed, 5 Mar 2025 15:39:03 +0900 (KST) Received: from localhost.localdomain (unknown [107.99.41.245]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20250305063902epsmtip13d9cf281c7fa3c5fee5dfa632f99d727~p1NUCq3yv1100611006epsmtip1z; Wed, 5 Mar 2025 06:39:02 +0000 (GMT) From: Anuj Gupta To: axboe@kernel.dk, hch@lst.de, martin.petersen@oracle.com Cc: anuj1072538@gmail.com, nikh1092@linux.ibm.com, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, dm-devel@lists.linux.dev, Anuj Gupta Subject: [PATCH v3 2/2] block: Correctly initialize BLK_INTEGRITY_NOGENERATE and BLK_INTEGRITY_NOVERIFY Date: Wed, 5 Mar 2025 12:00:33 +0530 Message-Id: <20250305063033.1813-3-anuj20.g@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250305063033.1813-1-anuj20.g@samsung.com> Precedence: bulk X-Mailing-List: dm-devel@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrHJsWRmVeSWpSXmKPExsWy7bCmhq4Uw4l0g5WvNC0+fv3NYtE04S+z xeq7/WwWCxbNZbFYufook8XeW9oW85c9Zbfovr6DzWL58X9MFncvPmV24PLYOesuu8fls6Ue ExYdYPTYvKTe48XmmYweu282sHl8fHqLxaNvyypGj8+b5AI4o7JtMlITU1KLFFLzkvNTMvPS bZW8g+Od403NDAx1DS0tzJUU8hJzU22VXHwCdN0yc4DOVFIoS8wpBQoFJBYXK+nb2RTll5ak KmTkF5fYKqUWpOQUmBToFSfmFpfmpevlpZZYGRoYGJkCFSZkZzScX85YsI+jYtLEf2wNjAvY uxg5OSQETCR2XvvE0sXIxSEksJtR4t/6iUwgCSGBT4wSOxoK4Ox9O3NgGrqmHmeCaNjJKLFr 4gxWCOczo8SL9knMIFVsAuoSR563MnYxcnCICFhLvH8tDlLDLHCWUeJv438WkLiwQKZE84k6 kHIWAVWJX0eOgy3mFbCQOH9qP9R18hIzL30HszkFLCV+bZ3BDFEjKHFy5hMWEJsZqKZ562xm kPkSAhM5JF7f2McE0ewiseDHZ0YIW1ji1fEtUEOlJD6/28sGYadL/Lj8FKq+QKL52D6oenuJ 1lP9zCB3MgtoSqzfpQ8RlpWYemodE8RePone30+gWnkldsyDsZUk2lfOgbIlJPaea4CyPSSm zfsEDaseRomWP13MExgVZiH5ZxaSf2YhrF7AyLyKUTK1oDg3PTXZtMAwL7UcHsfJ+bmbGMEJ V8tlB+ON+f/0DjEycTAeYpTgYFYS4X196ni6EG9KYmVValF+fFFpTmrxIUZTYIBPZJYSTc4H pvy8knhDE0sDEzMzMxNLYzNDJXHe5p0t6UIC6YklqdmpqQWpRTB9TBycUg1MBeY+UfO4Oicb Prl7Y4m8o+GOJYWcZYbH6zxOno90/nptxcsZtTOdtHimbV26YtGyi8fl7pmdmlv/NHWdeLt+ cZqmShynftT3E69L093t361/Ez/z2RKnwpS7/iKp8bKTwhcWtzN88d7S+OHCno9XhM/yiaj2 /nMUePZuk7A007KSK+WSTln2uy9tD5y2b52cZunP9Tz/z16Siiw6K8VzaOk3t0lPLbc95rm+ munMHpON091dNrU78vPWstZMsLfibq0VsKrnSzzmvPCAVsipdetsK2LkShwlReR5btgtYLX7 5b/wxAvDozL/fruLfE7UW1Kpce+l2P/d2npG7pe4pkRqLNt667eM2yX35QUFSizFGYmGWsxF xYkAodxOLkEEAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrMLMWRmVeSWpSXmKPExsWy7bCSnG77x+PpBkv3GVh8/PqbxaJpwl9m i9V3+9ksFiyay2KxcvVRJou9t7Qt5i97ym7RfX0Hm8Xy4/+YLO5efMrswOWxc9Zddo/LZ0s9 Jiw6wOixeUm9x4vNMxk9dt9sYPP4+PQWi0ffllWMHp83yQVwRnHZpKTmZJalFunbJXBlNJxf zliwj6Ni0sR/bA2MC9i7GDk5JARMJLqmHmfqYuTiEBLYzijxpO8YE0RCQuLUy2WMELawxMp/ z9khij4ySlyf3gJWxCagLnHkeStQEQeHiIC9xL0fFSA1zAKXGSWmvPrCClIjLJAusWzKarBt LAKqEr+OHAfr5RWwkDh/aj/UFfISMy99B7M5BSwlfm2dwQxiCwHVzFmxgxGiXlDi5MwnLCA2 M1B989bZzBMYBWYhSc1CklrAyLSKUTS1oDg3PTe5wFCvODG3uDQvXS85P3cTIzgetIJ2MC5b /1fvECMTB+MhRgkOZiUR3tenjqcL8aYkVlalFuXHF5XmpBYfYpTmYFES51XO6UwREkhPLEnN Tk0tSC2CyTJxcEo1ME1hW3Ij0dFK1NzNfU71B+/oKWE7ikr1X3Vcll5n9PnP3g9Tc7wyV2p+ vLt7/qbJ7W+N30/Xn3rtX1fvlrOJE0yZ4mRZH6yOtOGoSu7ds7t04j+VOTKG5VMn57IcCs3d 3KlwhCFGy0u/gkGrU+pT1eT0q3eyZbZyBpck8FvJq5zfLBrMcPd49odEvcqpvg3z50QeMq4Q vb7pR+hV743igQ5mlxnMWma9/vLr3ES9FcYu3ImPY4SN2Iy2PbTbfsQ1v3HJfaY3Uj71TtqB uSLTy1qSG4WfbXifE7v14+kru36ZchmflN2zq7T5+NYFXtGrO0+c6zFiDA1M3LmYtU/Foelx G4fhLeGrER1sd7VjlFiKMxINtZiLihMBzbswIvYCAAA= X-CMS-MailID: 20250305063903epcas5p46a5f908f6500fc34795b8330534d0c15 X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250305063903epcas5p46a5f908f6500fc34795b8330534d0c15 References: <20250305063033.1813-1-anuj20.g@samsung.com> Currently, BLK_INTEGRITY_NOGENERATE and BLK_INTEGRITY_NOVERIFY are not explicitly set during integrity initialization. This can lead to incorrect reporting of read_verify and write_generate sysfs values, particularly when a device does not support integrity. Ensure that these flags are correctly initialized by default. Reported-by: M Nikhil Link: https://lore.kernel.org/linux-block/f6130475-3ccd-45d2-abde-3ccceada0f0a@linux.ibm.com/ Fixes: 9f4aa46f2a74 ("block: invert the BLK_INTEGRITY_{GENERATE,VERIFY} flags") Signed-off-by: Anuj Gupta Reviewed-by: Christoph Hellwig --- block/blk-settings.c | 1 + 1 file changed, 1 insertion(+) diff --git a/block/blk-settings.c b/block/blk-settings.c index d0469a812734..40278a28378f 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -114,6 +114,7 @@ static int blk_validate_integrity_limits(struct queue_limits *lim) pr_warn("invalid PI settings.\n"); return -EINVAL; } + bi->flags |= BLK_INTEGRITY_NOGENERATE | BLK_INTEGRITY_NOVERIFY; return 0; }