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From: Bart Van Assche <Bart.VanAssche@sandisk.com>
To: "hch@lst.de" <hch@lst.de>, "axboe@fb.com" <axboe@fb.com>
Cc: "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
	"snitzer@redhat.com" <snitzer@redhat.com>,
	"linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>,
	"dm-devel@redhat.com" <dm-devel@redhat.com>,
	"j-nomura@ce.jp.nec.com" <j-nomura@ce.jp.nec.com>
Subject: Re: split scsi passthrough fields out of struct request V2
Date: Fri, 27 Jan 2017 16:52:25 +0000	[thread overview]
Message-ID: <1485535925.4267.1.camel@sandisk.com> (raw)
In-Reply-To: <9cbf0ce5-ed79-0252-fd2d-34bebaafffa3@fb.com>

On Fri, 2017-01-27 at 01:04 -0700, Jens Axboe wrote:
> The previous patch had a bug if you didn't use a scheduler, here's a
> version that should work fine in both cases. I've also updated the
> above mentioned branch, so feel free to pull that as well and merge to
> master like before.

Booting time is back to normal with commit f3a8ab7d55bc merged with
v4.10-rc5. That's a great improvement. However, running the srp-test
software triggers now a new complaint:

[  215.600386] sd 11:0:0:0: [sdh] Attached SCSI disk
[  215.609485] sd 11:0:0:0: alua: port group 00 state A non-preferred supports TOlUSNA
[  215.722900] scsi 13:0:0:0: alua: Detached
[  215.724452] general protection fault: 0000 [#1] SMP
[  215.724484] Modules linked in: dm_service_time ib_srp scsi_transport_srp target_core_user uio target_core_pscsi target_core_file ib_srpt target_core_iblock target_core_mod brd netconsole xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat libcrc32c nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp tun bridge stp llc ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables x_tables af_packet ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm msr configfs ib_cm iw_cm mlx4_ib ib_core sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp ipmi_ssif coretemp kvm_intel hid_generic kvm usbhid irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel mlx4_core ghash_clmulni_intel iTCO_wdt dcdbas pcbc tg3
[  215.724629]  iTCO_vendor_support ptp aesni_intel pps_core aes_x86_64 pcspkr crypto_simd libphy ipmi_si glue_helper cryptd ipmi_devintf tpm_tis devlink fjes ipmi_msghandler tpm_tis_core tpm mei_me lpc_ich mei mfd_core button shpchp wmi mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm sr_mod cdrom ehci_pci ehci_hcd usbcore usb_common sg dm_multipath dm_mod scsi_dh_rdac scsi_dh_emc scsi_dh_alua autofs4
[  215.724719] CPU: 9 PID: 8043 Comm: multipathd Not tainted 4.10.0-rc5-dbg+ #1
[  215.724748] Hardware name: Dell Inc. PowerEdge R430/03XKDV, BIOS 1.0.2 11/17/2014
[  215.724775] task: ffff8801717998c0 task.stack: ffffc90002a9c000
[  215.724804] RIP: 0010:scsi_device_put+0xb/0x30
[  215.724829] RSP: 0018:ffffc90002a9faa0 EFLAGS: 00010246
[  215.724855] RAX: 6b6b6b6b6b6b6b6b RBX: ffff88038bf85698 RCX: 0000000000000006
[  215.724880] RDX: 0000000000000006 RSI: ffff88017179a108 RDI: ffff88038bf85698
[  215.724906] RBP: ffffc90002a9faa8 R08: ffff880384786008 R09: 0000000100170007
[  215.724932] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88038bf85698
[  215.724958] R13: ffff88038919f090 R14: dead000000000100 R15: ffff88038a41dd28
[  215.724983] FS:  00007fbf8c6cf700(0000) GS:ffff88046f440000(0000) knlGS:0000000000000000
[  215.725010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  215.725035] CR2: 00007f1262ef3ee0 CR3: 000000044f6cc000 CR4: 00000000001406e0
[  215.725060] Call Trace:
[  215.725086]  scsi_disk_put+0x2d/0x40
[  215.725110]  sd_release+0x3d/0xb0
[  215.725137]  __blkdev_put+0x29e/0x360
[  215.725163]  blkdev_put+0x49/0x170
[  215.725192]  dm_put_table_device+0x58/0xc0 [dm_mod]
[  215.725219]  dm_put_device+0x70/0xc0 [dm_mod]
[  215.725269]  free_priority_group+0x92/0xc0 [dm_multipath]
[  215.725295]  free_multipath+0x70/0xc0 [dm_multipath]
[  215.725320]  multipath_dtr+0x19/0x20 [dm_multipath]
[  215.725348]  dm_table_destroy+0x67/0x120 [dm_mod]
[  215.725379]  dev_suspend+0xde/0x240 [dm_mod]
[  215.725434]  ctl_ioctl+0x1f5/0x520 [dm_mod]
[  215.725489]  dm_ctl_ioctl+0xe/0x20 [dm_mod]
[  215.725515]  do_vfs_ioctl+0x8f/0x700
[  215.725589]  SyS_ioctl+0x3c/0x70
[  215.725614]  entry_SYSCALL_64_fastpath+0x18/0xad
[  215.725641] RIP: 0033:0x7fbf8aca0667
[  215.725665] RSP: 002b:00007fbf8c6cd668 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  215.725692] RAX: ffffffffffffffda RBX: 0000000000000046 RCX: 00007fbf8aca0667
[  215.725716] RDX: 00007fbf8006b940 RSI: 00000000c138fd06 RDI: 0000000000000007
[  215.725743] RBP: 0000000000000009 R08: 00007fbf8c6cb3c0 R09: 00007fbf8b68d8d8
[  215.725768] R10: 0000000000000075 R11: 0000000000000246 R12: 00007fbf8c6cd770
[  215.725793] R13: 0000000000000013 R14: 00000000006168f0 R15: 0000000000f74780
[  215.725820] Code: bc 24 b8 00 00 00 e8 55 c8 1c 00 48 83 c4 08 48 89 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 00 55 48 89 e5 53 48 8b 07 48 89 fb <48> 8b 80 a8 01 00 00 48 8b 38 e8 f6 68 c5 ff 48 8d bb 38 02 00 
[  215.725903] RIP: scsi_device_put+0xb/0x30 RSP: ffffc90002a9faa0

(gdb) list *(scsi_device_put+0xb)
0xffffffff8149fc2b is in scsi_device_put (drivers/scsi/scsi.c:957).
952      * count of the underlying LLDD module.  The device is freed once the last
953      * user vanishes.
954      */
955     void scsi_device_put(struct scsi_device *sdev)
956     {
957             module_put(sdev->host->hostt->module);
958             put_device(&sdev->sdev_gendev);
959     }
960     EXPORT_SYMBOL(scsi_device_put);
961
(gdb) disas scsi_device_put
Dump of assembler code for function scsi_device_put:
   0xffffffff8149fc20 <+0>:     push   %rbp
   0xffffffff8149fc21 <+1>:     mov    %rsp,%rbp
   0xffffffff8149fc24 <+4>:     push   %rbx
   0xffffffff8149fc25 <+5>:     mov    (%rdi),%rax
   0xffffffff8149fc28 <+8>:     mov    %rdi,%rbx
   0xffffffff8149fc2b <+11>:    mov    0x1a8(%rax),%rax
   0xffffffff8149fc32 <+18>:    mov    (%rax),%rdi
   0xffffffff8149fc35 <+21>:    callq  0xffffffff810f6530 <module_put>
   0xffffffff8149fc3a <+26>:    lea    0x238(%rbx),%rdi
   0xffffffff8149fc41 <+33>:    callq  0xffffffff814714b0 <put_device>
   0xffffffff8149fc46 <+38>:    pop    %rbx
   0xffffffff8149fc47 <+39>:    pop    %rbp
   0xffffffff8149fc48 <+40>:    retq    
End of assembler dump.
(gdb) print &((struct Scsi_Host *)0)->hostt  
$2 = (struct scsi_host_template **) 0x1a8 <irq_stack_union+424>

Apparently scsi_device_put() was called for a SCSI device that was already
freed (memory poisoning was enabled in my test). This is something I had
not yet seen before.

Bart.

WARNING: multiple messages have this Message-ID (diff)
From: Bart Van Assche <Bart.VanAssche@sandisk.com>
To: "hch@lst.de" <hch@lst.de>, "axboe@fb.com" <axboe@fb.com>
Cc: "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
	"linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>,
	"dm-devel@redhat.com" <dm-devel@redhat.com>,
	"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	"snitzer@redhat.com" <snitzer@redhat.com>,
	"j-nomura@ce.jp.nec.com" <j-nomura@ce.jp.nec.com>
Subject: Re: [dm-devel] split scsi passthrough fields out of struct request V2
Date: Fri, 27 Jan 2017 16:52:25 +0000	[thread overview]
Message-ID: <1485535925.4267.1.camel@sandisk.com> (raw)
In-Reply-To: <9cbf0ce5-ed79-0252-fd2d-34bebaafffa3@fb.com>

On Fri, 2017-01-27 at 01:04 -0700, Jens Axboe wrote:
> The previous patch had a bug if you didn't use a scheduler, here's a
> version that should work fine in both cases. I've also updated the
> above mentioned branch, so feel free to pull that as well and merge to
> master like before.

Booting time is back to normal with commit f3a8ab7d55bc merged with
v4.10-rc5. That's a great improvement. However, running the srp-test
software triggers now a new complaint:

[  215.600386] sd 11:0:0:0: [sdh] Attached SCSI disk
[  215.609485] sd 11:0:0:0: alua: port group 00 state A non-preferred suppo=
rts TOlUSNA
[  215.722900] scsi 13:0:0:0: alua: Detached
[  215.724452] general protection fault: 0000 [#1] SMP
[  215.724484] Modules linked in: dm_service_time ib_srp scsi_transport_srp=
 target_core_user uio target_core_pscsi target_core_file ib_srpt target_cor=
e_iblock target_core_mod brd netconsole xt_CHECKSUM iptable_mangle ipt_MASQ=
UERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat libcrc32c nf_c=
onntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT nf_reject=
_ipv4 xt_tcpudp tun bridge stp llc ebtable_filter ebtables ip6table_filter =
ip6_tables iptable_filter ip_tables x_tables af_packet ib_ipoib rdma_ucm ib=
_ucm ib_uverbs ib_umad rdma_cm msr configfs ib_cm iw_cm mlx4_ib ib_core sb_=
edac edac_core x86_pkg_temp_thermal intel_powerclamp ipmi_ssif coretemp kvm=
_intel hid_generic kvm usbhid irqbypass crct10dif_pclmul crc32_pclmul crc32=
c_intel mlx4_core ghash_clmulni_intel iTCO_wdt dcdbas pcbc tg3
[  215.724629]  iTCO_vendor_support ptp aesni_intel pps_core aes_x86_64 pcs=
pkr crypto_simd libphy ipmi_si glue_helper cryptd ipmi_devintf tpm_tis devl=
ink fjes ipmi_msghandler tpm_tis_core tpm mei_me lpc_ich mei mfd_core butto=
n shpchp wmi mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sy=
simgblt fb_sys_fops ttm drm sr_mod cdrom ehci_pci ehci_hcd usbcore usb_comm=
on sg dm_multipath dm_mod scsi_dh_rdac scsi_dh_emc scsi_dh_alua autofs4
[  215.724719] CPU: 9 PID: 8043 Comm: multipathd Not tainted 4.10.0-rc5-dbg=
+ #1
[  215.724748] Hardware name: Dell Inc. PowerEdge R430/03XKDV, BIOS 1.0.2 1=
1/17/2014
[  215.724775] task: ffff8801717998c0 task.stack: ffffc90002a9c000
[  215.724804] RIP: 0010:scsi_device_put+0xb/0x30
[  215.724829] RSP: 0018:ffffc90002a9faa0 EFLAGS: 00010246
[  215.724855] RAX: 6b6b6b6b6b6b6b6b RBX: ffff88038bf85698 RCX: 00000000000=
00006
[  215.724880] RDX: 0000000000000006 RSI: ffff88017179a108 RDI: ffff88038bf=
85698
[  215.724906] RBP: ffffc90002a9faa8 R08: ffff880384786008 R09: 00000001001=
70007
[  215.724932] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88038bf=
85698
[  215.724958] R13: ffff88038919f090 R14: dead000000000100 R15: ffff88038a4=
1dd28
[  215.724983] FS:  00007fbf8c6cf700(0000) GS:ffff88046f440000(0000) knlGS:=
0000000000000000
[  215.725010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  215.725035] CR2: 00007f1262ef3ee0 CR3: 000000044f6cc000 CR4: 00000000001=
406e0
[  215.725060] Call Trace:
[  215.725086]  scsi_disk_put+0x2d/0x40
[  215.725110]  sd_release+0x3d/0xb0
[  215.725137]  __blkdev_put+0x29e/0x360
[  215.725163]  blkdev_put+0x49/0x170
[  215.725192]  dm_put_table_device+0x58/0xc0 [dm_mod]
[  215.725219]  dm_put_device+0x70/0xc0 [dm_mod]
[  215.725269]  free_priority_group+0x92/0xc0 [dm_multipath]
[  215.725295]  free_multipath+0x70/0xc0 [dm_multipath]
[  215.725320]  multipath_dtr+0x19/0x20 [dm_multipath]
[  215.725348]  dm_table_destroy+0x67/0x120 [dm_mod]
[  215.725379]  dev_suspend+0xde/0x240 [dm_mod]
[  215.725434]  ctl_ioctl+0x1f5/0x520 [dm_mod]
[  215.725489]  dm_ctl_ioctl+0xe/0x20 [dm_mod]
[  215.725515]  do_vfs_ioctl+0x8f/0x700
[  215.725589]  SyS_ioctl+0x3c/0x70
[  215.725614]  entry_SYSCALL_64_fastpath+0x18/0xad
[  215.725641] RIP: 0033:0x7fbf8aca0667
[  215.725665] RSP: 002b:00007fbf8c6cd668 EFLAGS: 00000246 ORIG_RAX: 000000=
0000000010
[  215.725692] RAX: ffffffffffffffda RBX: 0000000000000046 RCX: 00007fbf8ac=
a0667
[  215.725716] RDX: 00007fbf8006b940 RSI: 00000000c138fd06 RDI: 00000000000=
00007
[  215.725743] RBP: 0000000000000009 R08: 00007fbf8c6cb3c0 R09: 00007fbf8b6=
8d8d8
[  215.725768] R10: 0000000000000075 R11: 0000000000000246 R12: 00007fbf8c6=
cd770
[  215.725793] R13: 0000000000000013 R14: 00000000006168f0 R15: 0000000000f=
74780
[  215.725820] Code: bc 24 b8 00 00 00 e8 55 c8 1c 00 48 83 c4 08 48 89 d8 =
5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 00 55 48 89 e5 53 48 8b 07 48 89 fb =
<48> 8b 80 a8 01 00 00 48 8b 38 e8 f6 68 c5 ff 48 8d bb 38 02 00=20
[  215.725903] RIP: scsi_device_put+0xb/0x30 RSP: ffffc90002a9faa0

(gdb) list *(scsi_device_put+0xb)
0xffffffff8149fc2b is in scsi_device_put (drivers/scsi/scsi.c:957).
952 =A0=A0=A0=A0=A0* count of the underlying LLDD module. =A0The device is =
freed once the last
953 =A0=A0=A0=A0=A0* user vanishes.
954 =A0=A0=A0=A0=A0*/
955 =A0=A0=A0=A0void scsi_device_put(struct scsi_device *sdev)
956 =A0=A0=A0=A0{
957 =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0module_put(sdev->host->hostt->modul=
e);
958 =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0put_device(&sdev->sdev_gendev);
959 =A0=A0=A0=A0}
960 =A0=A0=A0=A0EXPORT_SYMBOL(scsi_device_put);
961
(gdb) disas scsi_device_put
Dump of assembler code for function scsi_device_put:
 =A0=A00xffffffff8149fc20 <+0>: =A0=A0=A0=A0push =A0=A0%rbp
 =A0=A00xffffffff8149fc21 <+1>: =A0=A0=A0=A0mov =A0=A0=A0%rsp,%rbp
 =A0=A00xffffffff8149fc24 <+4>: =A0=A0=A0=A0push =A0=A0%rbx
 =A0=A00xffffffff8149fc25 <+5>: =A0=A0=A0=A0mov =A0=A0=A0(%rdi),%rax
 =A0=A00xffffffff8149fc28 <+8>: =A0=A0=A0=A0mov =A0=A0=A0%rdi,%rbx
 =A0=A00xffffffff8149fc2b <+11>: =A0=A0=A0mov =A0=A0=A00x1a8(%rax),%rax
 =A0=A00xffffffff8149fc32 <+18>: =A0=A0=A0mov =A0=A0=A0(%rax),%rdi
 =A0=A00xffffffff8149fc35 <+21>: =A0=A0=A0callq =A00xffffffff810f6530 <modu=
le_put>
 =A0=A00xffffffff8149fc3a <+26>: =A0=A0=A0lea =A0=A0=A00x238(%rbx),%rdi
 =A0=A00xffffffff8149fc41 <+33>: =A0=A0=A0callq =A00xffffffff814714b0 <put_=
device>
 =A0=A00xffffffff8149fc46 <+38>: =A0=A0=A0pop =A0=A0=A0%rbx
 =A0=A00xffffffff8149fc47 <+39>: =A0=A0=A0pop =A0=A0=A0%rbp
 =A0=A00xffffffff8149fc48 <+40>: =A0=A0=A0retq =A0=A0=A0
End of assembler dump.
(gdb) print &((struct Scsi_Host *)0)->hostt =A0
$2 =3D (struct scsi_host_template **) 0x1a8 <irq_stack_union+424>

Apparently scsi_device_put() was called for a SCSI device that was already
freed (memory poisoning was enabled in my test). This is something I had
not yet seen before.

Bart.=

  reply	other threads:[~2017-01-27 16:52 UTC|newest]

Thread overview: 172+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-25 17:25 split scsi passthrough fields out of struct request V2 Christoph Hellwig
2017-01-25 17:25 ` [PATCH 01/18] block: add a op_is_flush helper Christoph Hellwig
2017-01-26  2:58   ` Martin K. Petersen
2017-01-26 22:38   ` Bart Van Assche
2017-01-25 17:25 ` [PATCH 02/18] md: cleanup bio op / flags handling in raid1_write_request Christoph Hellwig
2017-01-26  2:59   ` Martin K. Petersen
2017-01-26 23:18   ` Bart Van Assche
2017-01-26 23:18     ` Bart Van Assche
2017-01-25 17:25 ` [PATCH 03/18] block: fix elevator init check Christoph Hellwig
2017-01-26  3:01   ` Martin K. Petersen
2017-01-26 23:21   ` Bart Van Assche
2017-01-26 23:21     ` Bart Van Assche
2017-01-25 17:25 ` [PATCH 04/18] block: simplify blk_init_allocated_queue Christoph Hellwig
2017-01-26  3:02   ` Martin K. Petersen
2017-01-26 23:27   ` Bart Van Assche
2017-01-26 23:27     ` Bart Van Assche
2017-01-25 17:25 ` [PATCH 05/18] block: allow specifying size for extra command data Christoph Hellwig
2017-01-26  3:15   ` Martin K. Petersen
2017-01-27 16:12     ` Christoph Hellwig
2017-01-27 16:12       ` Christoph Hellwig
2017-01-27 17:21       ` Bart Van Assche
2017-01-27 17:21         ` Bart Van Assche
2017-01-27 17:26         ` Jens Axboe
2017-01-27 17:26           ` Jens Axboe
2017-01-27 17:30           ` Bart Van Assche
2017-01-27 17:30             ` Bart Van Assche
2017-01-27 17:33             ` Jens Axboe
2017-01-25 17:25 ` [PATCH 06/18] dm: remove incomple BLOCK_PC support Christoph Hellwig
2017-01-27 17:32   ` Bart Van Assche
2017-01-27 17:32     ` Bart Van Assche
2017-01-25 17:25 ` [PATCH 07/18] dm: always defer request allocation to the owner of the request_queue Christoph Hellwig
2017-01-27 16:34   ` Mike Snitzer
2017-01-27 16:34     ` Mike Snitzer
2017-01-27 16:36     ` Christoph Hellwig
2017-01-27 16:36       ` Christoph Hellwig
2017-01-27 16:44       ` Mike Snitzer
2017-01-27 16:44         ` Mike Snitzer
2017-01-25 17:25 ` [PATCH 08/18] scsi_dh_rdac: switch to scsi_execute_req_flags() Christoph Hellwig
2017-01-26  3:18   ` Martin K. Petersen
2017-01-25 17:25 ` [PATCH 09/18] scsi_dh_emc: " Christoph Hellwig
2017-01-26  3:19   ` Martin K. Petersen
2017-01-25 17:25 ` [PATCH 10/18] scsi_dh_hp_sw: " Christoph Hellwig
2017-01-26  3:20   ` Martin K. Petersen
2017-01-26  3:20     ` Martin K. Petersen
2017-01-25 17:25 ` [PATCH 11/18] scsi: remove gfp_flags member in scsi_host_cmd_pool Christoph Hellwig
2017-01-26  3:21   ` Martin K. Petersen
2017-01-27 17:38   ` Bart Van Assche
2017-01-27 17:38     ` Bart Van Assche
2017-01-25 17:25 ` [PATCH 12/18] scsi: respect unchecked_isa_dma for blk-mq Christoph Hellwig
2017-01-26  3:23   ` Martin K. Petersen
2017-01-27 17:45   ` Bart Van Assche
2017-01-27 17:45     ` Bart Van Assche
2017-01-25 17:25 ` [PATCH 13/18] scsi: remove scsi_cmd_dma_pool Christoph Hellwig
2017-01-26  3:24   ` Martin K. Petersen
2017-01-27 17:51   ` Bart Van Assche
2017-01-27 17:51     ` Bart Van Assche
2017-01-25 17:25 ` [PATCH 14/18] scsi: remove __scsi_alloc_queue Christoph Hellwig
2017-01-26  3:25   ` Martin K. Petersen
2017-01-27 17:58   ` Bart Van Assche
2017-01-27 17:58     ` Bart Van Assche
2017-01-28  8:23     ` hch
2017-01-25 17:25 ` [PATCH 15/18] scsi: allocate scsi_cmnd structures as part of struct request Christoph Hellwig
2017-01-26  3:30   ` Martin K. Petersen
2017-01-27 18:39   ` Bart Van Assche
2017-01-27 18:39     ` Bart Van Assche
2017-01-28  8:25     ` hch
2017-01-28  8:25       ` hch
2017-01-25 17:25 ` [PATCH 16/18] block/bsg: move queue creation into bsg_setup_queue Christoph Hellwig
2017-01-27 18:48   ` Bart Van Assche
2017-01-27 18:48     ` Bart Van Assche
2017-01-25 17:25 ` [PATCH 17/18] block: split scsi_request out of struct request Christoph Hellwig
2017-01-25 17:25 ` [PATCH 18/18] block: don't assign cmd_flags in __blk_rq_prep_clone Christoph Hellwig
2017-01-26  3:31   ` Martin K. Petersen
2017-01-26 18:29 ` split scsi passthrough fields out of struct request V2 Bart Van Assche
2017-01-26 18:29   ` Bart Van Assche
2017-01-26 18:44   ` Jens Axboe
2017-01-26 18:52     ` Bart Van Assche
2017-01-26 18:52       ` Bart Van Assche
2017-01-26 18:57       ` Jens Axboe
2017-01-26 18:59         ` hch
2017-01-26 19:01           ` Jens Axboe
2017-01-26 19:01             ` Jens Axboe
2017-01-26 20:47             ` [dm-devel] " Bart Van Assche
2017-01-26 20:54               ` Jens Axboe
2017-01-26 20:54                 ` [dm-devel] " Jens Axboe
2017-01-26 21:01                 ` Bart Van Assche
2017-01-26 21:01                   ` Bart Van Assche
2017-01-26 21:12                   ` Jens Axboe
2017-01-26 21:12                     ` [dm-devel] " Jens Axboe
2017-01-26 21:47                     ` Bart Van Assche
2017-01-26 21:47                       ` [dm-devel] " Bart Van Assche
2017-01-26 21:51                       ` Jens Axboe
2017-01-26 21:51                         ` [dm-devel] " Jens Axboe
2017-01-26 23:14                         ` Bart Van Assche
2017-01-26 23:14                           ` Bart Van Assche
2017-01-26 23:26                           ` Jens Axboe
2017-01-26 23:26                             ` Jens Axboe
2017-01-26 23:26                             ` [dm-devel] " Jens Axboe
2017-01-26 23:47                             ` Bart Van Assche
2017-01-26 23:47                               ` [dm-devel] " Bart Van Assche
2017-01-26 23:50                               ` Jens Axboe
2017-01-27  0:33                                 ` Jens Axboe
2017-01-27  0:33                                   ` [dm-devel] " Jens Axboe
2017-01-27  0:38                                 ` Bart Van Assche
2017-01-27  0:38                                   ` Bart Van Assche
2017-01-27  0:41                                   ` Jens Axboe
2017-01-27  1:15                                     ` Bart Van Assche
2017-01-27  1:15                                       ` [dm-devel] " Bart Van Assche
2017-01-27  1:22                                       ` Jens Axboe
2017-01-27  1:22                                         ` [dm-devel] " Jens Axboe
2017-01-27  6:40                                         ` Jens Axboe
2017-01-27  8:04                                           ` Jens Axboe
2017-01-27  8:04                                             ` [dm-devel] " Jens Axboe
2017-01-27 16:52                                             ` Bart Van Assche [this message]
2017-01-27 16:52                                               ` Bart Van Assche
2017-01-27 16:56                                               ` Jens Axboe
2017-01-27 16:56                                                 ` [dm-devel] " Jens Axboe
2017-01-27 17:03                                                 ` Bart Van Assche
2017-01-27 17:03                                                   ` [dm-devel] " Bart Van Assche
2017-01-31  1:12                                                 ` Bart Van Assche
2017-01-31  1:12                                                   ` Bart Van Assche
2017-01-31  1:38                                                   ` Jens Axboe
2017-01-31  1:38                                                     ` Jens Axboe
2017-01-31  4:13                                                     ` Jens Axboe
2017-01-31  4:13                                                       ` [dm-devel] " Jens Axboe
2017-01-31 21:35                                                     ` Bart Van Assche
2017-01-31 21:35                                                       ` Bart Van Assche
2017-01-31 21:55                                                       ` Bart Van Assche
2017-01-31 21:55                                                         ` Bart Van Assche
2017-01-31 21:58                                                         ` Jens Axboe
2017-02-01  1:01                                                           ` Bart Van Assche
2017-02-01  6:38                                                             ` Jens Axboe
2017-02-01 16:46                                                               ` Bart Van Assche
2017-02-01 17:13                                                                 ` Jens Axboe
2017-02-01 17:28                                                                   ` Bart Van Assche
2017-02-01 19:21                                                                   ` Bart Van Assche
2017-02-01 22:01                                                                   ` Bart Van Assche
2017-02-02 17:27                                                                     ` Bart Van Assche
2017-02-02 18:33                                                                       ` Mike Snitzer
2017-02-02 18:43                                                                         ` Bart Van Assche
2017-02-02 19:13                                                                           ` Mike Snitzer
2017-02-02 19:46                                                                             ` Bart Van Assche
2017-02-02 21:04                                                                               ` Mike Snitzer
2017-02-02 21:10                                                                                 ` Mike Snitzer
2017-02-03  0:20                                                                                   ` Bart Van Assche
2017-02-03  0:42                                                                                     ` Mike Snitzer
2017-02-02 22:38                                                                                 ` Bart Van Assche
2017-01-27 17:02                                         ` [dm-devel] " Bart Van Assche
2017-01-27 17:02                                           ` Bart Van Assche
2017-01-27 16:11 ` Jens Axboe
2017-01-27 16:11   ` Jens Axboe
2017-01-27 16:17   ` Christoph Hellwig
2017-01-27 16:17     ` Christoph Hellwig
2017-01-27 16:21     ` Jens Axboe
2017-01-27 16:21       ` Jens Axboe
2017-01-27 16:23       ` Christoph Hellwig
2017-01-27 16:23         ` Christoph Hellwig
2017-01-27 16:27         ` Jens Axboe
2017-01-27 16:27           ` Jens Axboe
2017-01-27 16:34           ` Christoph Hellwig
2017-01-27 16:34             ` Christoph Hellwig
2017-01-27 16:38             ` Jens Axboe
2017-01-27 16:38               ` Jens Axboe
2017-01-27 16:42               ` Christoph Hellwig
2017-01-27 16:42                 ` Christoph Hellwig
2017-01-27 16:58                 ` Jens Axboe
2017-01-27 16:58                   ` Jens Axboe
2017-01-27 21:27 ` Bart Van Assche
2017-01-27 21:27   ` Bart Van Assche
2017-01-28  8:29   ` hch
2017-01-30  6:58   ` Hannes Reinecke
2017-01-30  6:58     ` Hannes Reinecke

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