From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CB1F6C4332F for ; Mon, 4 Apr 2022 06:48:45 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-428-2TlTTTqYOxyBaG--EKKkrg-1; Mon, 04 Apr 2022 02:48:43 -0400 X-MC-Unique: 2TlTTTqYOxyBaG--EKKkrg-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 78EBF100BAAD; Mon, 4 Apr 2022 06:48:41 +0000 (UTC) Received: from mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com [10.30.29.100]) by smtp.corp.redhat.com (Postfix) with ESMTP id 66121408110D; Mon, 4 Apr 2022 06:48:41 +0000 (UTC) Received: from mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (localhost [IPv6:::1]) by mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (Postfix) with ESMTP id 0F72A19451EC; Mon, 4 Apr 2022 06:48:41 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) by mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (Postfix) with ESMTP id 9588119451F3 for ; Thu, 31 Mar 2022 16:37:11 +0000 (UTC) Received: by smtp.corp.redhat.com (Postfix) id 61C15400E132; Thu, 31 Mar 2022 16:37:11 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast09.extmail.prod.ext.rdu2.redhat.com [10.11.55.25]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 5DF38400E42D for ; Thu, 31 Mar 2022 16:37:11 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-1.mimecast.com [205.139.110.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 4390C2A5954E for ; Thu, 31 Mar 2022 16:37:11 +0000 (UTC) Received: from alexa-out.qualcomm.com (alexa-out.qualcomm.com [129.46.98.28]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-376-NDnriGhtO1yKorxBehRYaA-1; Thu, 31 Mar 2022 12:37:07 -0400 X-MC-Unique: NDnriGhtO1yKorxBehRYaA-1 Received: from ironmsg07-lv.qualcomm.com ([10.47.202.151]) by alexa-out.qualcomm.com with ESMTP; 31 Mar 2022 09:35:03 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg07-lv.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Mar 2022 09:35:02 -0700 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Thu, 31 Mar 2022 09:35:02 -0700 Received: from qian (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Thu, 31 Mar 2022 09:34:58 -0700 Date: Thu, 31 Mar 2022 12:34:56 -0400 From: Qian Cai To: Christoph Hellwig Message-ID: References: <20220308061551.737853-1-hch@lst.de> MIME-Version: 1.0 In-Reply-To: <20220308061551.737853-1-hch@lst.de> X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.84 on 10.11.54.2 X-Mailman-Approved-At: Mon, 04 Apr 2022 06:48:34 +0000 Subject: Re: [dm-devel] cleanup bio_kmalloc v2 X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jens Axboe , linux-raid@vger.kernel.org, Mike Snitzer , "Martin K. Petersen" , linux-kernel@vger.kernel.org, Josef Bacik , Coly Li , linux-block@vger.kernel.org, Song Liu , dm-devel@redhat.com, target-devel@vger.kernel.org, David Sterba , Phillip Lougher , linux-bcache@vger.kernel.org, linux-btrfs@vger.kernel.org Errors-To: dm-devel-bounces@redhat.com Sender: "dm-devel" X-Scanned-By: MIMEDefang 2.84 on 10.11.54.2 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Tue, Mar 08, 2022 at 07:15:46AM +0100, Christoph Hellwig wrote: > Hi Jens, > > this series finishes off the bio allocation interface cleanups by dealing > with the weirdest member of the famility. bio_kmalloc combines a kmalloc > for the bio and bio_vecs with a hidden bio_init call and magic cleanup > semantics. > > This series moves a few callers away from bio_kmalloc and then turns > bio_kmalloc into a simple wrapper for a slab allocation of a bio and the > inline biovecs. The callers need to manually call bio_init instead with > all that entails and the magic that turns bio_put into a kfree goes away > as well, allowing for a proper debug check in bio_put that catches > accidental use on a bio_init()ed bio. Reverting this series fixed boot crashes. WARNING: CPU: 1 PID: 2622 at block/bio.c:229 bio_free Modules linked in: cdc_ether usbnet ipmi_devintf ipmi_msghandler cppc_cpufreq fuse ip_tables x_tables ipv6 btrfs blake2b_generic libcrc32c xor xor_neon raid6_pq zstd_compress dm_mod nouveau crct10dif_ce drm_ttm_helper mlx5_core ttm drm_dp_helper drm_kms_helper nvme mpt3sas xhci_pci nvme_core raid_class drm xhci_pci_renesas CPU: 1 PID: 2622 Comm: mount Not tainted 5.17.0-next-20220331 #50 pstate: 10400009 (nzcV daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : bio_free lr : bio_put sp : ffff8000371b7760 x29: ffff8000371b7760 x28: 0000000000000000 x27: dfff800000000000 x26: ffff08028f93a600 x25: 0000000000000000 x24: ffff08028f92f600 x23: 1ffff00006e36f10 x22: ffff08028fa18510 x21: 1fffe10051f430a2 x20: 0000000000000000 x19: ffff08028fa18500 x18: ffffde03db3e7d2c x17: ffffde03d55f8bc4 x16: 1fffe10051e75129 x15: 1fffe106cfcfbb46 x14: 1fffe10051e7511c x13: 0000000000000004 x12: ffff700006e36eab x11: 1ffff00006e36eaa x10: ffff700006e36eaa x9 : ffffde03d5cb9fec x8 : ffff8000371b7557 x7 : 0000000000000001 x6 : ffff700006e36eaa x5 : 1ffff00006e36ea9 x4 : 1ffff00006e36ebe x3 : 1fffe10051f430a2 x2 : 1fffe10051f430ae x1 : 0000000000000000 x0 : ffff08028fa18570 Call trace: bio_free bio_put squashfs_read_data squashfs_read_table squashfs_fill_super get_tree_bdev squashfs_get_tree vfs_get_tree do_new_mount path_mount __arm64_sys_mount invoke_syscall el0_svc_common.constprop.0 do_el0_svc el0_svc el0t_64_sync_handler el0t_64_sync irq event stamp: 33146 hardirqs last enabled at (33145): free_unref_page hardirqs last disabled at (33146): el1_dbg softirqs last enabled at (33122): __do_softirq softirqs last disabled at (33111): __irq_exit_rcu ---[ end trace 0000000000000000 ]--- Unable to handle kernel paging request at virtual address dfff800000000001 KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] Mem abort info: ESR = 0x96000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004 CM = 0, WnR = 0 [dfff800000000001] address between user and kernel address ranges Internal error: Oops: 96000004 [#1] PREEMPT SMP Modules linked in: cdc_ether usbnet ipmi_devintf ipmi_msghandler cppc_cpufreq fuse ip_tables x_tables ipv6 btrfs blake2b_generic libcrc32c xor xor_neon raid6_pq zstd_compress dm_mod nouveau crct10dif_ce drm_ttm_helper mlx5_core ttm drm_dp_helper drm_kms_helper nvme mpt3sas xhci_pci nvme_core raid_class drm xhci_pci_renesas CPU: 1 PID: 2622 Comm: mount Tainted: G W 5.17.0-next-20220331 #50 pc : bio_free lr : bio_free sp : ffff8000371b7760 x29: ffff8000371b7760 x28: 0000000000000000 x27: dfff800000000000 x26: ffff08028f93a600 x25: 0000000000000000 x24: ffff08028f92f600 x23: 1ffff00006e36f10 x22: ffff08028fa18548 x21: 00000000000000d0 x20: 0000000000000000 x19: ffff08028fa18500 x18: ffffde03db3e7d2c x17: ffffde03d55f8bc4 x16: 1fffe10051e75129 x15: 1fffe106cfcfbb46 x14: 1fffe10051e7511c x13: 0000000000000004 x12: ffff700006e36eab x11: 1ffff00006e36eaa x10: ffff700006e36eaa x9 : ffffde03d5cb9c78 x8 : ffff8000371b7557 x7 : 0000000000000001 x6 : ffff700006e36eaa x5 : 1ffff00006e36ea9 x4 : 1fffe10051f430ac x3 : 0000000000000001 x2 : 0000000000000003 x1 : dfff800000000000 x0 : 0000000000000008 Call trace: bio_free bio_put squashfs_read_data squashfs_read_table squashfs_fill_super get_tree_bdev squashfs_get_tree vfs_get_tree do_new_mount path_mount __arm64_sys_mount invoke_syscall el0_svc_common.constprop.0 do_el0_svc el0_svc el0t_64_sync_handler el0t_64_sync Code: d2d00001 f2fbffe1 52800062 d343fc03 (38e16861) ---[ end trace 0000000000000000 ]--- SMP: stopping secondary CPUs Kernel Offset: 0x5e03ccd70000 from 0xffff800008000000 PHYS_OFFSET: 0x80000000 CPU features: 0x000,00085c0d,19801c82 Memory Limit: none ---[ end Kernel panic - not syncing: Oops: Fatal exception ]--- > > Changes since v1: > - update a pre-existing comment per maintainer suggestion > > Diffstat: > block/bio.c | 47 ++++++++++++++----------------------- > block/blk-crypto-fallback.c | 14 ++++++----- > block/blk-map.c | 42 +++++++++++++++++++++------------ > drivers/block/pktcdvd.c | 34 +++++++++++--------------- > drivers/md/bcache/debug.c | 10 ++++--- > drivers/md/dm-bufio.c | 9 +++---- > drivers/md/raid1.c | 12 ++++++--- > drivers/md/raid10.c | 21 +++++++++++----- > drivers/target/target_core_pscsi.c | 36 ++++------------------------ > fs/btrfs/disk-io.c | 8 +++--- > fs/btrfs/volumes.c | 11 -------- > fs/btrfs/volumes.h | 2 - > fs/squashfs/block.c | 14 +++-------- > include/linux/bio.h | 2 - > 14 files changed, 116 insertions(+), 146 deletions(-) -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D5B32C433F5 for ; Thu, 31 Mar 2022 16:35:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240006AbiCaQgw (ORCPT ); Thu, 31 Mar 2022 12:36:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240022AbiCaQgv (ORCPT ); Thu, 31 Mar 2022 12:36:51 -0400 Received: from alexa-out.qualcomm.com (alexa-out.qualcomm.com [129.46.98.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 850411BBF62; Thu, 31 Mar 2022 09:35:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1648744503; x=1680280503; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=vcu31rMS0yn2EqzHi27wb6PxKwLH34tTd/+ys8ECp/A=; b=ADDuc88FzNWZGKBrIk06zzzX+k6YSxqk27uWQNihSUCGuZ1GtMpxcMlV xTEWa75dpfcsFQw+mC064HKR7W4MWXLYRVTC8926TBwzR2AQWBCbndTjo VEkv7SFykl4Py4aMRGoIAena380+aMTSMqaNCRjn7CsXqgUcJlMFOvVOW g=; Received: from ironmsg07-lv.qualcomm.com ([10.47.202.151]) by alexa-out.qualcomm.com with ESMTP; 31 Mar 2022 09:35:03 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg07-lv.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Mar 2022 09:35:02 -0700 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Thu, 31 Mar 2022 09:35:02 -0700 Received: from qian (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Thu, 31 Mar 2022 09:34:58 -0700 Date: Thu, 31 Mar 2022 12:34:56 -0400 From: Qian Cai To: Christoph Hellwig CC: Jens Axboe , Coly Li , Mike Snitzer , Song Liu , "Martin K. Petersen" , Josef Bacik , "David Sterba" , Phillip Lougher , , , , , , , Subject: Re: cleanup bio_kmalloc v2 Message-ID: References: <20220308061551.737853-1-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20220308061551.737853-1-hch@lst.de> X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) Precedence: bulk List-ID: X-Mailing-List: linux-bcache@vger.kernel.org On Tue, Mar 08, 2022 at 07:15:46AM +0100, Christoph Hellwig wrote: > Hi Jens, > > this series finishes off the bio allocation interface cleanups by dealing > with the weirdest member of the famility. bio_kmalloc combines a kmalloc > for the bio and bio_vecs with a hidden bio_init call and magic cleanup > semantics. > > This series moves a few callers away from bio_kmalloc and then turns > bio_kmalloc into a simple wrapper for a slab allocation of a bio and the > inline biovecs. The callers need to manually call bio_init instead with > all that entails and the magic that turns bio_put into a kfree goes away > as well, allowing for a proper debug check in bio_put that catches > accidental use on a bio_init()ed bio. Reverting this series fixed boot crashes. WARNING: CPU: 1 PID: 2622 at block/bio.c:229 bio_free Modules linked in: cdc_ether usbnet ipmi_devintf ipmi_msghandler cppc_cpufreq fuse ip_tables x_tables ipv6 btrfs blake2b_generic libcrc32c xor xor_neon raid6_pq zstd_compress dm_mod nouveau crct10dif_ce drm_ttm_helper mlx5_core ttm drm_dp_helper drm_kms_helper nvme mpt3sas xhci_pci nvme_core raid_class drm xhci_pci_renesas CPU: 1 PID: 2622 Comm: mount Not tainted 5.17.0-next-20220331 #50 pstate: 10400009 (nzcV daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : bio_free lr : bio_put sp : ffff8000371b7760 x29: ffff8000371b7760 x28: 0000000000000000 x27: dfff800000000000 x26: ffff08028f93a600 x25: 0000000000000000 x24: ffff08028f92f600 x23: 1ffff00006e36f10 x22: ffff08028fa18510 x21: 1fffe10051f430a2 x20: 0000000000000000 x19: ffff08028fa18500 x18: ffffde03db3e7d2c x17: ffffde03d55f8bc4 x16: 1fffe10051e75129 x15: 1fffe106cfcfbb46 x14: 1fffe10051e7511c x13: 0000000000000004 x12: ffff700006e36eab x11: 1ffff00006e36eaa x10: ffff700006e36eaa x9 : ffffde03d5cb9fec x8 : ffff8000371b7557 x7 : 0000000000000001 x6 : ffff700006e36eaa x5 : 1ffff00006e36ea9 x4 : 1ffff00006e36ebe x3 : 1fffe10051f430a2 x2 : 1fffe10051f430ae x1 : 0000000000000000 x0 : ffff08028fa18570 Call trace: bio_free bio_put squashfs_read_data squashfs_read_table squashfs_fill_super get_tree_bdev squashfs_get_tree vfs_get_tree do_new_mount path_mount __arm64_sys_mount invoke_syscall el0_svc_common.constprop.0 do_el0_svc el0_svc el0t_64_sync_handler el0t_64_sync irq event stamp: 33146 hardirqs last enabled at (33145): free_unref_page hardirqs last disabled at (33146): el1_dbg softirqs last enabled at (33122): __do_softirq softirqs last disabled at (33111): __irq_exit_rcu ---[ end trace 0000000000000000 ]--- Unable to handle kernel paging request at virtual address dfff800000000001 KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] Mem abort info: ESR = 0x96000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004 CM = 0, WnR = 0 [dfff800000000001] address between user and kernel address ranges Internal error: Oops: 96000004 [#1] PREEMPT SMP Modules linked in: cdc_ether usbnet ipmi_devintf ipmi_msghandler cppc_cpufreq fuse ip_tables x_tables ipv6 btrfs blake2b_generic libcrc32c xor xor_neon raid6_pq zstd_compress dm_mod nouveau crct10dif_ce drm_ttm_helper mlx5_core ttm drm_dp_helper drm_kms_helper nvme mpt3sas xhci_pci nvme_core raid_class drm xhci_pci_renesas CPU: 1 PID: 2622 Comm: mount Tainted: G W 5.17.0-next-20220331 #50 pc : bio_free lr : bio_free sp : ffff8000371b7760 x29: ffff8000371b7760 x28: 0000000000000000 x27: dfff800000000000 x26: ffff08028f93a600 x25: 0000000000000000 x24: ffff08028f92f600 x23: 1ffff00006e36f10 x22: ffff08028fa18548 x21: 00000000000000d0 x20: 0000000000000000 x19: ffff08028fa18500 x18: ffffde03db3e7d2c x17: ffffde03d55f8bc4 x16: 1fffe10051e75129 x15: 1fffe106cfcfbb46 x14: 1fffe10051e7511c x13: 0000000000000004 x12: ffff700006e36eab x11: 1ffff00006e36eaa x10: ffff700006e36eaa x9 : ffffde03d5cb9c78 x8 : ffff8000371b7557 x7 : 0000000000000001 x6 : ffff700006e36eaa x5 : 1ffff00006e36ea9 x4 : 1fffe10051f430ac x3 : 0000000000000001 x2 : 0000000000000003 x1 : dfff800000000000 x0 : 0000000000000008 Call trace: bio_free bio_put squashfs_read_data squashfs_read_table squashfs_fill_super get_tree_bdev squashfs_get_tree vfs_get_tree do_new_mount path_mount __arm64_sys_mount invoke_syscall el0_svc_common.constprop.0 do_el0_svc el0_svc el0t_64_sync_handler el0t_64_sync Code: d2d00001 f2fbffe1 52800062 d343fc03 (38e16861) ---[ end trace 0000000000000000 ]--- SMP: stopping secondary CPUs Kernel Offset: 0x5e03ccd70000 from 0xffff800008000000 PHYS_OFFSET: 0x80000000 CPU features: 0x000,00085c0d,19801c82 Memory Limit: none ---[ end Kernel panic - not syncing: Oops: Fatal exception ]--- > > Changes since v1: > - update a pre-existing comment per maintainer suggestion > > Diffstat: > block/bio.c | 47 ++++++++++++++----------------------- > block/blk-crypto-fallback.c | 14 ++++++----- > block/blk-map.c | 42 +++++++++++++++++++++------------ > drivers/block/pktcdvd.c | 34 +++++++++++--------------- > drivers/md/bcache/debug.c | 10 ++++--- > drivers/md/dm-bufio.c | 9 +++---- > drivers/md/raid1.c | 12 ++++++--- > drivers/md/raid10.c | 21 +++++++++++----- > drivers/target/target_core_pscsi.c | 36 ++++------------------------ > fs/btrfs/disk-io.c | 8 +++--- > fs/btrfs/volumes.c | 11 -------- > fs/btrfs/volumes.h | 2 - > fs/squashfs/block.c | 14 +++-------- > include/linux/bio.h | 2 - > 14 files changed, 116 insertions(+), 146 deletions(-)