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e461338b6c
linux-next/drivers/scsi
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Martin K. Petersen e461338b6c sd: tweak discard heuristics to work around QEMU SCSI issue 
7985090aa0 changed the discard heuristics to give preference to the
WRITE SAME commands that (unlike UNMAP) guarantee deterministic results.

Ming Lei discovered that QEMU SCSI's WRITE SAME implementation
internally relied on limits that were only communicated for the UNMAP
case. And therefore discard commands backed by WRITE SAME would fail.

Tweak the heuristics so we still pick UNMAP in the LBPRZ=0 case and only
prefer the WRITE SAME variants if the device has the LBPRZ flag set.

Reported-by: Ming Lei <ming.lei@canonical.com>
Tested-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-12-30 13:30:38 +01:00
..
aacraid Merge remote-tracking branch 'scsi-queue/drivers-for-3.19' into for-linus 2014-12-08 07:42:25 -08:00
aic7xxx scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
aic94xx Merge remote-tracking branch 'scsi-queue/drivers-for-3.19' into for-linus 2014-12-18 05:56:29 -08:00
arcmsr scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
arm ncr5380: Drop legacy scsi.h include 2014-11-20 09:11:10 +01:00
be2iscsi scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
bfa scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
bnx2fc Merge remote-tracking branch 'scsi-queue/drivers-for-3.19' into for-linus 2014-12-18 05:56:29 -08:00
bnx2i scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
csiostor Merge remote-tracking branch 'scsi-queue/drivers-for-3.19' into for-linus 2014-12-18 05:56:29 -08:00
cxgbi libcxgbi: fix freeing skb prematurely 2014-12-12 11:22:30 -05:00
device_handler scsi: handle more device handler setup/teardown in common code 2014-11-12 11:19:36 +01:00
dpt
esas2r esas2r: Correct typos of "validate" in a comment 2014-12-04 09:58:33 +01:00
fcoe Merge remote-tracking branch 'scsi-queue/drivers-for-3.19' into for-linus 2014-12-18 05:56:29 -08:00
fnic scsi: remove ->change_queue_type method 2014-12-04 09:55:45 +01:00
ibmvscsi ibmvfc: remove unused tag variable 2014-12-04 09:58:33 +01:00
isci Merge remote-tracking branch 'scsi-queue/drivers-for-3.19' into for-linus 2014-12-18 05:56:29 -08:00
libfc scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
libsas Merge remote-tracking branch 'scsi-queue/drivers-for-3.19' into for-linus 2014-12-18 05:56:29 -08:00
lpfc Merge remote-tracking branch 'scsi-queue/drivers-for-3.19' into for-linus 2014-12-18 05:56:29 -08:00
megaraid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2014-12-12 10:08:06 -08:00
mpt2sas Merge remote-tracking branch 'scsi-queue/drivers-for-3.19' into for-linus 2014-12-18 05:56:29 -08:00
mpt3sas Revert "[SCSI] mpt3sas: Remove phys on topology change" 2014-12-04 09:58:34 +01:00
mvsas Merge remote-tracking branch 'scsi-queue/drivers-for-3.19' into for-linus 2014-12-18 05:56:29 -08:00
osd scsi: remove scsi_driver owner field 2014-11-24 20:01:28 +01:00
pcmcia treewide: Fix typo in printk 2014-08-26 09:35:54 +02:00
pm8001 Merge remote-tracking branch 'scsi-queue/drivers-for-3.19' into for-linus 2014-12-18 05:56:29 -08:00
qla2xxx qla2xxx: fix race in handling rport deletion during recovery causes panic 2014-12-15 13:34:23 +01:00
qla4xxx scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
sym53c8xx_2 scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
ufs More ACPI and power management updates for 3.19-rc1 2014-12-18 20:28:33 -08:00
.gitignore
3w-9xxx.c scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
3w-9xxx.h
3w-sas.c scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
3w-sas.h
3w-xxxx.c scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
3w-xxxx.h 3w-xxxx: fix mis-aligned struct accesses 2014-07-25 17:16:56 -04:00
53c700_d.h_shipped
53c700.c scsi: remove scsi_set_tag_type 2014-12-04 09:57:13 +01:00
53c700.h
53c700.scr
a100u2w.c scsi: use pci_zalloc_consistent 2014-08-08 15:57:29 -07:00
a100u2w.h
a2091.c zorro: ZTWO_VADDR() should return "void __iomem *" 2013-11-26 11:09:07 +01:00
a2091.h
a3000.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
a3000.h
a4000t.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
advansys.c scsi: remove MSG_*_TAG defines 2014-12-04 09:58:33 +01:00
aha152x.c aha152x: debug output update and whitespace cleanup 2014-11-12 11:15:57 +01:00
aha152x.h
aha1542.c
aha1542.h
aha1740.c scsi: correct return values for .eh_abort_handler implementations 2014-11-12 11:16:08 +01:00
aha1740.h
am53c974.c tmscsim: replace by am53c974 driver 2014-11-24 16:13:18 +01:00
atari_NCR5380.c atari_NCR5380: Fix "transfered" typo 2014-11-20 09:11:21 +01:00
atari_scsi.c atari_NCR5380: Move static co-routine variables to host data 2014-11-20 09:11:20 +01:00
atp870u.c SCSI: remove unnecessary pci_set_drvdata() 2013-10-14 15:26:04 +02:00
atp870u.h
BusLogic.c scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
BusLogic.h [SCSI] BusLogic: Port driver to 64-bit. 2013-06-26 18:32:47 -07:00
bvme6000_scsi.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
ch.c scsi: remove scsi_driver owner field 2014-11-24 20:01:28 +01:00
constants.c scsi: set fmt to NULL scsi_extd_sense_format() by default 2014-12-02 18:26:52 +01:00
dc395x.c scsi: use 64-bit value for 'max_luns' 2014-07-17 22:07:38 +02:00
dc395x.h
dmx3191d.c dmx3191d: Use NO_IRQ 2014-11-20 09:11:11 +01:00
dpt_i2o.c scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
dpti.h scsi: use 64-bit LUNs 2014-07-17 22:07:37 +02:00
dtc.c ncr5380: Drop legacy scsi.h include 2014-11-20 09:11:10 +01:00
dtc.h ncr5380: Remove *_RELEASE macros 2014-11-20 09:11:10 +01:00
eata_generic.h
eata_pio.c [SCSI] remove deprecated IRQF_DISABLED from SCSI 2014-03-19 15:04:44 -07:00
eata_pio.h
eata.c scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
esp_scsi.c esp_scsi: enable CONFIG2_FENAB for am53c974 2014-11-24 16:13:17 +01:00
esp_scsi.h esp_scsi: correctly detect am53c974 2014-11-24 16:13:16 +01:00
fdomain.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
fdomain.h
FlashPoint.c [SCSI] BusLogic: Port driver to 64-bit. 2013-06-26 18:32:47 -07:00
g_NCR5380_mmio.c
g_NCR5380.c ncr5380: Drop legacy scsi.h include 2014-11-20 09:11:10 +01:00
g_NCR5380.h ncr5380: Remove *_RELEASE macros 2014-11-20 09:11:10 +01:00
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
gdth.c scsi: rename SERVICE_ACTION_IN to SERVICE_ACTION_IN_16 2014-11-24 20:01:40 +01:00
gdth.h gdth: switch to ->show_info() 2013-04-09 14:13:16 -04:00
gvp11.c zorro: ZTWO_VADDR() should return "void __iomem *" 2013-11-26 11:09:07 +01:00
gvp11.h
hosts.c scsi: remove ordered_tag host template field 2014-11-12 11:19:41 +01:00
hpsa_cmd.h hpsa: get rid of type/attribute/direction bit field where possible 2014-11-20 09:11:25 +01:00
hpsa.c scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
hpsa.h hpsa: use atomics for commands_outstanding 2014-11-20 09:11:25 +01:00
hptiop.c scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
hptiop.h
imm.c imm: switch to ->show_info() 2013-04-09 14:13:16 -04:00
imm.h
in2000.c scsi: use 64-bit LUNs 2014-07-17 22:07:37 +02:00
in2000.h
initio.c [SCSI] remove deprecated IRQF_DISABLED from SCSI 2014-03-19 15:04:44 -07:00
initio.h
ipr.c ipr: set scsi_level correctly for disk arrays 2014-12-15 13:34:29 +01:00
ipr.h ipr: add support for async scanning to speed up boot 2014-12-15 13:34:28 +01:00
ips.c scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
ips.h ips: switch to ->show_info() 2013-04-09 14:13:27 -04:00
iscsi_boot_sysfs.c [SCSI] iscsi_boot_sysfs: Fix a memory leak in iscsi_boot_destroy_kset() 2014-03-15 10:19:19 -07:00
iscsi_tcp.c scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
iscsi_tcp.h net: Fix use after free by removing length arg from sk_data_ready callbacks. 2014-04-11 16:15:36 -04:00
jazz_esp.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
Kconfig scsi_debug: improve driver description in Kconfig 2014-12-15 13:34:25 +01:00
lasi700.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
libiscsi_tcp.c [SCSI] libiscsi: Reduce locking contention in fast path 2014-03-15 10:19:18 -07:00
libiscsi.c scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
mac53c94.c
mac53c94.h
mac_esp.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
mac_scsi.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2014-12-12 10:08:06 -08:00
Makefile wd719x: Introduce Western Digital WD7193/7197/7296 PCI SCSI card driver 2014-11-25 15:42:54 +01:00
megaraid.c scsi: correct return values for .eh_abort_handler implementations 2014-11-12 11:16:08 +01:00
megaraid.h [SCSI] megaraid: simplify internal command handling 2014-03-27 08:26:31 -07:00
mesh.c scsi: use pci_zalloc_consistent 2014-08-08 15:57:29 -07:00
mesh.h
mvme16x_scsi.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
mvme147.c switch wd33c93 to ->show_info() 2013-04-09 14:13:15 -04:00
mvme147.h
mvumi.c PCI: Remove DEFINE_PCI_DEVICE_TABLE macro use 2014-08-12 12:15:14 -06:00
mvumi.h [SCSI] mvumi: Use PCI_VENDOR_ID_MARVELL_EXT for 0x1b4b 2013-04-15 14:30:44 -06:00
ncr53c8xx.c scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
ncr53c8xx.h scsi: Remove CONFIG_SCSI_MULTI_LUN 2014-07-17 22:07:35 +02:00
NCR53c406a.c NCR53c406a: don't call free_dma() by default 2014-07-25 17:16:56 -04:00
NCR5380.c ncr5380: Drop legacy scsi.h include 2014-11-20 09:11:10 +01:00
NCR5380.h atari_NCR5380: Move static co-routine variables to host data 2014-11-20 09:11:20 +01:00
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
nsp32_debug.c
nsp32_io.h
nsp32.c SCSI for-linus on 20141007 2014-10-07 21:29:18 -04:00
nsp32.h
osst_detect.h
osst_options.h
osst.c scsi: remove scsi_driver owner field 2014-11-24 20:01:28 +01:00
osst.h
pas16.c ncr5380: Drop legacy scsi.h include 2014-11-20 09:11:10 +01:00
pas16.h ncr5380: Remove *_RELEASE macros 2014-11-20 09:11:10 +01:00
pmcraid.c scsi: remove ->change_queue_type method 2014-12-04 09:55:45 +01:00
pmcraid.h
ppa.c ppa: switch to ->show_info() 2013-04-09 14:13:17 -04:00
ppa.h
ps3rom.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2014-12-12 10:08:06 -08:00
qla1280.c scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
qla1280.h
qlogicfas408.c
qlogicfas408.h
qlogicfas.c qlogicfas: don't call free_dma() 2014-07-25 17:16:55 -04:00
qlogicpti.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
qlogicpti.h
raid_class.c
script_asm.pl
scsi_debug.c scsi_debug: fix missing "break;" in SDEBUG_UA_CAPACITY_CHANGED case 2014-12-15 13:34:27 +01:00
scsi_devinfo.c scsi: blacklist RSOC for Microsoft iSCSI target devices 2014-12-15 10:41:23 +01:00
scsi_error.c Merge remote-tracking branch 'scsi-queue/drivers-for-3.19' into for-linus 2014-12-08 07:42:25 -08:00
scsi_ioctl.c scsi: return EAGAIN when resetting a device under EH 2014-11-12 11:16:12 +01:00
scsi_lib_dma.c
scsi_lib.c scsi: fix random memory corruption with scsi-mq + T10 PI 2014-12-15 10:31:33 +01:00
scsi_logging.h scsi: simplify scsi_log_(send|completion) 2014-11-12 11:16:05 +01:00
scsi_module.c
scsi_netlink.c net: Use netlink_ns_capable to verify the permisions of netlink messages 2014-04-24 13:44:54 -04:00
scsi_pm.c SCSI / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM 2014-12-15 15:11:06 +01:00
scsi_priv.h SCSI / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM 2014-12-15 15:11:06 +01:00
scsi_proc.c scsi: use 64-bit LUNs 2014-07-17 22:07:37 +02:00
scsi_sas_internal.h
scsi_scan.c Merge remote-tracking branch 'scsi-queue/drivers-for-3.19' into for-linus 2014-12-08 07:42:25 -08:00
scsi_sysctl.c scsi: convert use of typedef ctl_table to struct ctl_table 2014-06-06 16:08:16 -07:00
scsi_sysfs.c scsi: remove ->change_queue_type method 2014-12-04 09:55:45 +01:00
scsi_trace.c scsi: rename SERVICE_ACTION_IN to SERVICE_ACTION_IN_16 2014-11-24 20:01:40 +01:00
scsi_transport_api.h
scsi_transport_fc.c scsi: add defines for new FC port speeds. 2014-07-25 17:16:54 -04:00
scsi_transport_iscsi.c iscsi class: Fix freeing of skb in get host error path 2014-08-04 13:16:14 +02:00
scsi_transport_sas.c scsi: use 64-bit LUNs 2014-07-17 22:07:37 +02:00
scsi_transport_spi.c scsi: remove MSG_*_TAG defines 2014-12-04 09:58:33 +01:00
scsi_transport_srp.c Main set of InfiniBand/RDMA updates for 3.17 merge window: 2014-08-14 11:09:05 -06:00
scsi_typedefs.h
scsi.c Merge remote-tracking branch 'scsi-queue/drivers-for-3.19' into for-linus 2014-12-18 05:56:29 -08:00
scsi.h
scsicam.c scsi: PC partition tables are little endian 2014-11-12 11:15:54 +01:00
sd_dif.c sd: Honor block layer integrity handling flags 2014-09-30 15:17:35 -06:00
sd.c sd: tweak discard heuristics to work around QEMU SCSI issue 2014-12-30 13:30:38 +01:00
sd.h scsi: introduce sdev_prefix_printk() 2014-11-12 11:15:57 +01:00
ses.c scsi: remove scsi_driver owner field 2014-11-24 20:01:28 +01:00
sg.c scsi: split scsi_nonblockable_ioctl 2014-11-12 11:16:11 +01:00
sgiwd93.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
sim710.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
sni_53c710.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
sr_ioctl.c scsi: repurpose the last argument from print_opcode_name() 2014-11-12 11:16:03 +01:00
sr_vendor.c scsi: Implement sr_printk() 2014-07-17 22:07:39 +02:00
sr.c scsi: remove scsi_driver owner field 2014-11-24 20:01:28 +01:00
sr.h scsi: introduce sdev_prefix_printk() 2014-11-12 11:15:57 +01:00
st_options.h
st.c scsi: remove scsi_driver owner field 2014-11-24 20:01:28 +01:00
st.h
stex.c scsi: don't force tagged_supported in drivers 2014-11-12 11:19:44 +01:00
storvsc_drv.c storvsc: ring buffer failures may result in I/O freeze 2014-12-15 13:34:29 +01:00
sun3_scsi_vme.c scsi/NCR5380: merge sun3_scsi_vme.c into sun3_scsi.c 2014-05-28 12:16:28 +02:00
sun3_scsi.c atari_NCR5380: Remove RESET_RUN_DONE macro 2014-11-20 09:11:20 +01:00
sun3_scsi.h sun3_scsi: Move macro definitions 2014-11-20 09:11:15 +01:00
sun3x_esp.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
sun_esp.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
sym53c416.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
sym53c416.h
t128.c ncr5380: Drop legacy scsi.h include 2014-11-20 09:11:10 +01:00
t128.h ncr5380: Remove *_RELEASE macros 2014-11-20 09:11:10 +01:00
u14-34f.c scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
ultrastor.c
ultrastor.h
virtio_scsi.c virtio: virtio 1.0 support, misc patches 2014-12-11 12:20:31 -08:00
vmw_pvscsi.c vmw_pscsi: simplify ->change_queue_depth 2014-11-24 14:45:28 +01:00
vmw_pvscsi.h PCI: Move PCI_VENDOR_ID_VMWARE to pci_ids.h 2014-09-24 11:52:09 -06:00
wd33c93.c scsi: use 64-bit LUNs 2014-07-17 22:07:37 +02:00
wd33c93.h switch wd33c93 to ->show_info() 2013-04-09 14:13:15 -04:00
wd719x.c wd719x: remove dma_cache_sync call 2014-11-27 16:40:16 +01:00
wd719x.h wd719x: Introduce Western Digital WD7193/7197/7296 PCI SCSI card driver 2014-11-25 15:42:54 +01:00
wd7000.c scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
xen-scsifront.c xen: remove DEFINE_XENBUS_DRIVER() macro 2014-10-06 10:27:57 +01:00
zalon.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
zorro7xx.c zorro: ZTWO_VADDR() should return "void __iomem *" 2013-11-26 11:09:07 +01:00