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Hannes Reinecke 0761df9c4b [SCSI] sd: avoid deadlocks when running under multipath
When multipathed systems run into an all-paths-down scenario
all devices might be dropped, too. This causes 'del_gendisk'
to be called, which will unregister the kobj_map->probe()
function for all disk device numbers.
When the device comes back the default ->probe() function
is run which will call __request_module(), which will
deadlock.
As 'del_gendisk' typically does _not_ trigger a module unload
the default ->probe() function is pointless anyway.
This patch implements a dummy ->probe() function, which will
just return NULL if the disk is not registered.
This will avoid the deadlock. Plus it'll speed up device
scanning.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-06-04 11:16:23 -07:00
..
aacraid [SCSI] aacraid: Dual firmware image support 2013-04-10 11:55:52 -07:00
aic7xxx aic7xxx: switch to ->show_info() 2013-04-09 14:13:26 -04:00
aic7xxx_old aix7xxx_old: switch to ->show_info() 2013-04-09 14:13:28 -04:00
aic94xx [SCSI] libsas: implement > 16 byte CDB support 2013-06-04 11:15:59 -07:00
arcmsr workqueue: deprecate flush[_delayed]_work_sync() 2012-08-20 14:51:24 -07:00
arm acornscsi: switch to ->show_info() 2013-04-09 14:13:27 -04:00
be2iscsi [SCSI] be2iscsi: Bump the driver version to 10.0.467.0 2013-05-02 08:22:19 -07:00
bfa SCSI misc on 20130222 2013-02-28 12:43:43 -08:00
bnx2fc [SCSI] bnx2fc: Bumped version to 1.0.14 2013-05-02 07:32:26 -07:00
bnx2i treewide: Fix typo in printk and comments 2013-04-24 16:43:00 +02:00
csiostor [SCSI] csiostor: off by one error 2013-05-02 07:37:10 -07:00
cxgbi [SCSI] cxgb4i: Remove the scsi host device when removing device 2013-01-30 11:58:06 +11:00
device_handler [SCSI] scsi_dh_alua: Add module parameter to allow failover to non preferred path without STPG 2013-04-11 16:00:31 -07:00
dpt atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
fcoe Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-05-01 14:08:52 -07:00
fnic [SCSI] fnic: Incremented driver version 2013-05-02 07:32:24 -07:00
ibmvscsi [SCSI] ibmvfc: Driver version 1.0.11 2013-05-02 11:58:18 -07:00
isci [SCSI] libsas: implement > 16 byte CDB support 2013-06-04 11:15:59 -07:00
libfc libfc, fcoe, bnx2fc: Split fc_disc_init into fc_disc_{init, config} 2013-03-25 16:03:03 -07:00
libsas [SCSI] libsas: implement > 16 byte CDB support 2013-06-04 11:15:59 -07:00
lpfc Merge branch 'misc' into for-linus 2013-05-10 07:53:40 -07:00
megaraid [SCSI] megaraid_sas: release lock on error path 2013-05-02 12:08:46 -07:00
mpt2sas Merge branch 'for-3.10/core' of git://git.kernel.dk/linux-block 2013-05-08 10:13:35 -07:00
mpt3sas Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-05-01 17:51:54 -07:00
mvsas [SCSI] libsas: implement > 16 byte CDB support 2013-06-04 11:15:59 -07:00
osd treewide: Fix typos in kernel messages 2013-03-31 17:50:31 +02:00
pcmcia nsp_cs: switch to ->show_info() 2013-04-09 14:13:21 -04:00
pm8001 [SCSI] pm80xx: remove unneeded NULL check 2013-06-04 11:16:18 -07:00
qla2xxx Merge branch 'misc' into for-linus 2013-05-10 07:53:40 -07:00
qla4xxx [SCSI] iscsi class, qla4xxx: fix sess/conn refcounting when find fns are used 2013-05-10 07:47:53 -07:00
sym53c8xx_2 sym53c8xx_2: switch to ->show_info() 2013-04-09 14:13:15 -04:00
ufs [SCSI] ufs: SCSI_UFSHCD should depend on SCSI_DMA 2013-06-04 11:16:20 -07:00
.gitignore
3w-9xxx.c new helper: file_inode(file) 2013-02-22 23:31:31 -05:00
3w-9xxx.h Fix common misspellings 2011-03-31 11:26:23 -03:00
3w-sas.c new helper: file_inode(file) 2013-02-22 23:31:31 -05:00
3w-sas.h
3w-xxxx.c new helper: file_inode(file) 2013-02-22 23:31:31 -05:00
3w-xxxx.h Fix common misspellings 2011-03-31 11:26:23 -03:00
53c700.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
53c700.h
53c700.scr Fix common misspellings 2011-03-31 11:26:23 -03:00
53c700_d.h_shipped Fix common misspellings 2011-03-31 11:26:23 -03:00
BusLogic.c BusLogic: switch to ->show_info() 2013-04-09 14:13:19 -04:00
BusLogic.h BusLogic: switch to ->show_info() 2013-04-09 14:13:19 -04:00
FlashPoint.c Fix common misspellings 2011-03-31 11:26:23 -03:00
Kconfig [SCSI] lpfc: fix up Kconfig dependencies 2013-05-10 07:47:44 -07:00
Makefile [SCSI] mpt3sas: add new driver supporting 12GB SAS 2012-12-01 10:09:17 +00:00
NCR53c406a.c
NCR5380.c NCR5830: switch to ->show_info() 2013-04-09 14:13:17 -04:00
NCR5380.h NCR5830: switch to ->show_info() 2013-04-09 14:13:17 -04:00
NCR_D700.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
NCR_D700.h
NCR_Q720.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
NCR_Q720.h
a100u2w.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
a100u2w.h
a2091.c switch wd33c93 to ->show_info() 2013-04-09 14:13:15 -04:00
a2091.h
a3000.c switch wd33c93 to ->show_info() 2013-04-09 14:13:15 -04:00
a3000.h
a4000t.c
advansys.c advansys: fix buggered formats - unsigned long != u32 on 64bit 2013-04-09 14:13:22 -04:00
aha152x.c aha152x: switch to ->show_info() 2013-04-09 14:13:22 -04:00
aha152x.h
aha1542.c treewide: Put a space between #include and FILE 2012-06-28 11:44:36 +02:00
aha1542.h
aha1740.c aha1740: switch to ->show_info() 2013-04-09 14:13:23 -04:00
aha1740.h
aic7xxx_old.c aix7xxx_old: switch to ->show_info() 2013-04-09 14:13:28 -04:00
atari_NCR5380.c atari_scsi: switch to ->show_info() 2013-04-09 14:13:29 -04:00
atari_scsi.c atari_scsi: switch to ->show_info() 2013-04-09 14:13:29 -04:00
atari_scsi.h atari_scsi: switch to ->show_info() 2013-04-09 14:13:29 -04:00
atp870u.c atp870u: switch to ->show_info() 2013-04-09 14:13:24 -04:00
atp870u.h
bvme6000_scsi.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
ch.c scsi: convert to idr_alloc() 2013-02-27 19:10:18 -08:00
constants.c [SCSI] add DID_TARGET_FAILURE and DID_NEXUS_FAILURE to hostbyte_table in constants.c 2012-09-14 11:58:53 +01:00
dc395x.c dc395x: switch to ->show_info() 2013-04-09 14:13:24 -04:00
dc395x.h Fix common misspellings 2011-03-31 11:26:23 -03:00
dmx3191d.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
dpt_i2o.c dpt_i2o: switch to ->show_info() 2013-04-09 14:13:24 -04:00
dpti.h
dtc.c NCR5830: switch to ->show_info() 2013-04-09 14:13:17 -04:00
dtc.h NCR5830: switch to ->show_info() 2013-04-09 14:13:17 -04:00
eata.c [SCSI] remove cmd->serial_number litter 2011-05-01 10:22:40 -05:00
eata_generic.h
eata_pio.c eata_pio: switch to ->show_info() 2013-04-09 14:13:23 -04:00
eata_pio.h
esp_scsi.c scsi: Use vsprintf extention %pf with builtin_return_address 2012-04-05 17:09:40 -07:00
esp_scsi.h
fdomain.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
fdomain.h
g_NCR5380.c NCR5830: switch to ->show_info() 2013-04-09 14:13:17 -04:00
g_NCR5380.h
g_NCR5380_mmio.c
gdth.c gdth: switch to ->show_info() 2013-04-09 14:13:16 -04:00
gdth.h gdth: switch to ->show_info() 2013-04-09 14:13:16 -04:00
gdth_ioctl.h
gdth_proc.c gdth: switch to ->show_info() 2013-04-09 14:13:16 -04:00
gdth_proc.h gdth: switch to ->show_info() 2013-04-09 14:13:16 -04:00
gvp11.c switch wd33c93 to ->show_info() 2013-04-09 14:13:15 -04:00
gvp11.h
hosts.c driver-core: constify data for class_find_device() 2013-02-06 12:18:56 -08:00
hpsa.c [SCSI] hpsa: check for dma_mapping_error in hpsa_passthru ioctls 2013-02-24 09:36:58 +00:00
hpsa.h [SCSI] hpsa: dial down lockup detection during firmware flash 2012-05-10 09:19:39 +01:00
hpsa_cmd.h [SCSI] hpsa: dial down lockup detection during firmware flash 2012-05-10 09:19:39 +01:00
hptiop.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
hptiop.h [SCSI] hptiop: Support HighPoint RR4520/RR4522 HBA 2012-11-27 08:59:43 +04:00
imm.c imm: switch to ->show_info() 2013-04-09 14:13:16 -04:00
imm.h
in2000.c in2000: switch to ->show_info() 2013-04-09 14:13:25 -04:00
in2000.h
initio.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
initio.h Fix common misspellings 2011-03-31 11:26:23 -03:00
ipr.c [SCSI] ipr: Avoid target_destroy accessing memory after it was freed 2013-06-04 11:16:22 -07:00
ipr.h [SCSI] ipr: Avoid target_destroy accessing memory after it was freed 2013-06-04 11:16:22 -07:00
ips.c ips: fix format bugs exposed by previous commit 2013-04-09 14:13:27 -04:00
ips.h ips: switch to ->show_info() 2013-04-09 14:13:27 -04:00
iscsi_boot_sysfs.c switch ->is_visible() to returning umode_t 2012-01-03 22:54:55 -05:00
iscsi_tcp.c [SCSI] iscsi_tcp: support PF_MEMALLOC/__GFP_MEMALLOC 2013-04-11 16:55:04 -07:00
iscsi_tcp.h [SCSI] iscsi_tcp: use iscsi_conn_get_addr_param libiscsi function 2011-02-24 12:41:10 -05:00
jazz_esp.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
lasi700.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
libiscsi.c [SCSI] libiscsi: avoid unnecessary multiple NULL assignments 2013-04-11 16:54:01 -07:00
libiscsi_tcp.c SCSI updates on 20120319 2012-03-22 12:55:29 -07:00
libsrp.c scsi: Fix up files implicitly depending on module.h inclusion 2011-10-31 19:31:24 -04:00
mac53c94.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
mac53c94.h
mac_esp.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
mac_scsi.c NCR5830: switch to ->show_info() 2013-04-09 14:13:17 -04:00
mac_scsi.h NCR5830: switch to ->show_info() 2013-04-09 14:13:17 -04:00
megaraid.c megaraid: single_open() leak 2013-05-05 00:15:15 -04:00
megaraid.h megaraid: Don't use create_proc_read_entry() 2013-04-29 15:41:57 -04:00
mesh.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
mesh.h
mvme16x_scsi.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
mvme147.c switch wd33c93 to ->show_info() 2013-04-09 14:13:15 -04:00
mvme147.h
mvumi.c [SCSI] mvumi: Use PCI_VENDOR_ID_MARVELL_EXT for 0x1b4b 2013-04-15 14:30:44 -06:00
mvumi.h [SCSI] mvumi: Use PCI_VENDOR_ID_MARVELL_EXT for 0x1b4b 2013-04-15 14:30:44 -06:00
ncr53c8xx.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
ncr53c8xx.h
nsp32.c nsp32: switch to ->show_info() 2013-04-09 14:13:21 -04:00
nsp32.h Fix common misspellings 2011-03-31 11:26:23 -03:00
nsp32_debug.c treewide: fix a few typos in comments 2011-05-10 10:16:21 +02:00
nsp32_io.h
osst.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
osst.h Fix common misspellings 2011-03-31 11:26:23 -03:00
osst_detect.h
osst_options.h
pas16.c NCR5830: switch to ->show_info() 2013-04-09 14:13:17 -04:00
pas16.h NCR5830: switch to ->show_info() 2013-04-09 14:13:17 -04:00
pmcraid.c pmcraid: don't wank with fasync in ->release() 2013-04-29 15:41:45 -04:00
pmcraid.h scsi: Fix typo in pmcraid.h 2012-02-21 11:40:37 +01:00
ppa.c ppa: switch to ->show_info() 2013-04-09 14:13:17 -04:00
ppa.h
ps3rom.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
qla1280.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
qla1280.h
qlogicfas.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
qlogicfas408.c
qlogicfas408.h
qlogicpti.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
qlogicpti.h
raid_class.c
script_asm.pl
scsi.c [SCSI] Add a report opcode helper 2012-11-13 21:11:31 -08:00
scsi.h
scsi_debug.c Merge branch 'misc' into for-linus 2013-05-10 07:53:40 -07:00
scsi_devinfo.c [SCSI] Disable DIF on Hitachi Ultrastar 15K300 2012-09-24 12:11:00 +04:00
scsi_error.c [SCSI] Handle MLQUEUE busy response in scsi_send_eh_cmnd 2013-05-10 07:47:44 -07:00
scsi_ioctl.c
scsi_lib.c [SCSI] sd: use REQ_PM in sd's runtime suspend operation 2013-05-06 12:48:17 -07:00
scsi_lib_dma.c scsi: Add export.h for EXPORT_SYMBOL/THIS_MODULE as required 2011-10-31 19:31:23 -04:00
scsi_logging.h
scsi_module.c
scsi_netlink.c scsi: replace obsolete NLMSG_* with type safe nlmsg_* 2013-03-28 14:27:24 -04:00
scsi_pm.c [SCSI] sd: change to auto suspend mode 2013-05-06 12:48:31 -07:00
scsi_priv.h [SCSI] async: introduce 'async_domain' type 2012-07-20 09:05:54 +01:00
scsi_proc.c procfs: new helper - PDE_DATA(inode) 2013-04-09 14:13:32 -04:00
scsi_sas_internal.h
scsi_scan.c Merge SCSI misc branch into isci-for-3.6 tag 2012-10-02 08:55:12 +01:00
scsi_sysctl.c
scsi_sysfs.c [SCSI] prevent stack buffer overflow in host_reset 2012-11-30 09:08:16 +00:00
scsi_tgt_if.c scsi: Add export.h for EXPORT_SYMBOL/THIS_MODULE as required 2011-10-31 19:31:23 -04:00
scsi_tgt_lib.c [SCSI] esp, scsi_tgt_lib, fcoe: use list_move() instead of list_del()/list_add() combination 2011-05-01 10:20:10 -05:00
scsi_tgt_priv.h
scsi_trace.c [SCSI] scsi_trace: Decode UNMAP bit in WRITE SAME(10) 2011-05-24 12:38:36 -04:00
scsi_transport_api.h
scsi_transport_fc.c scsi: replace obsolete NLMSG_* with type safe nlmsg_* 2013-03-28 14:27:24 -04:00
scsi_transport_fc_internal.h
scsi_transport_iscsi.c [SCSI] iscsi class, qla4xxx: fix sess/conn refcounting when find fns are used 2013-05-10 07:47:53 -07:00
scsi_transport_sas.c [SCSI] scsi_transport_sas: add 12GB definitions for mpt3sas 2012-12-01 10:08:41 +00:00
scsi_transport_spi.c [SCSI] scsi_transport_spi: fix for unbalanced reference counting 2012-05-10 09:06:12 +01:00
scsi_transport_srp.c IB/srp: Allow SRP disconnect through sysfs 2012-11-30 17:40:33 -08:00
scsi_transport_srp_internal.h
scsi_typedefs.h
scsicam.c fs: move code out of buffer.c 2012-01-03 22:54:07 -05:00
sd.c [SCSI] sd: avoid deadlocks when running under multipath 2013-06-04 11:16:23 -07:00
sd.h [SCSI] sd: fix array cache flushing bug causing performance problems 2013-05-02 16:15:54 -07:00
sd_dif.c [SCSI] sd_dif: problem with verify of type 1 protection information (PI) 2013-05-02 15:37:03 -07:00
ses.c [SCSI] ses: requesting a fault indication 2011-06-29 12:14:25 -05:00
sg.c aio: don't include aio.h in sched.h 2013-05-07 20:16:25 -07:00
sgiwd93.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
sim710.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
sni_53c710.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
sr.c block_device_operations->release() should return void 2013-05-07 02:16:21 -04:00
sr.h [SCSI] sr: check_events() ignore GET_EVENT when TUR says otherwise 2011-07-21 14:15:58 -07:00
sr_ioctl.c scsi: Fix up files implicitly depending on module.h inclusion 2011-10-31 19:31:24 -04:00
sr_vendor.c
st.c [SCSI] st: Take additional queue ref in st_probe 2013-04-06 11:14:20 +01:00
st.h [SCSI] st: raise device limit 2012-09-14 17:59:29 +01:00
st_options.h
stex.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
storvsc_drv.c SCSI for-linus on 20130301 2013-03-02 11:42:16 -08:00
sun3_NCR5380.c sun3_scsi: add ->show_info() 2013-05-04 14:50:16 -04:00
sun3_scsi.c sun3_scsi: add ->show_info() 2013-05-04 14:50:16 -04:00
sun3_scsi.h sun3_scsi: add ->show_info() 2013-05-04 14:50:16 -04:00
sun3_scsi_vme.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
sun3x_esp.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
sun_esp.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
sym53c416.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
sym53c416.h
t128.c NCR5830: switch to ->show_info() 2013-04-09 14:13:17 -04:00
t128.h NCR5830: switch to ->show_info() 2013-04-09 14:13:17 -04:00
tmscsim.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
tmscsim.h
u14-34f.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
ultrastor.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
ultrastor.h
virtio_scsi.c virtio-scsi: reset virtqueue affinity when doing cpu hotplug 2013-04-08 23:06:56 +09:30
vmw_pvscsi.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
vmw_pvscsi.h [SCSI] vmw_pvscsi: Try setting host->max_id as suggested by the device. 2012-03-27 08:26:36 +01:00
wd33c93.c switch wd33c93 to ->show_info() 2013-04-09 14:13:15 -04:00
wd33c93.h switch wd33c93 to ->show_info() 2013-04-09 14:13:15 -04:00
wd7000.c wd7000: switch to ->show_info() 2013-04-09 14:13:15 -04:00
zalon.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
zorro7xx.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00