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e692cb668f
linux/drivers/scsi
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Martin K. Petersen e692cb668f block: Deprecate QUEUE_FLAG_CLUSTER and use queue_limits instead 
When stacking devices, a request_queue is not always available. This
forced us to have a no_cluster flag in the queue_limits that could be
used as a carrier until the request_queue had been set up for a
metadevice.

There were several problems with that approach. First of all it was up
to the stacking device to remember to set queue flag after stacking had
completed. Also, the queue flag and the queue limits had to be kept in
sync at all times. We got that wrong, which could lead to us issuing
commands that went beyond the max scatterlist limit set by the driver.

The proper fix is to avoid having two flags for tracking the same thing.
We deprecate QUEUE_FLAG_CLUSTER and use the queue limit directly in the
block layer merging functions. The queue_limit 'no_cluster' is turned
into 'cluster' to avoid double negatives and to ease stacking.
Clustering defaults to being enabled as before. The queue flag logic is
removed from the stacking function, and explicitly setting the cluster
flag is no longer necessary in DM and MD.

Reported-by: Ed Lin <ed.lin@promise.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-12-17 08:35:53 +01:00
..
aacraid SCSI host lock push-down 2010-11-16 13:33:23 -08:00
aic7xxx SCSI host lock push-down 2010-11-16 13:33:23 -08:00
aic7xxx_old fix comnment/printk typos concerning "empty" 2010-07-12 18:03:50 +02:00
aic94xx drivers/scsi/aic94xx/aic94xx_init.c: correct the size argument to kmalloc 2010-08-11 08:59:00 -07:00
arcmsr SCSI host lock push-down 2010-11-16 13:33:23 -08:00
arm SCSI: arm fas216: fix missing ';' 2010-11-23 22:26:23 +00:00
be2iscsi Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 2010-10-22 17:34:15 -07:00
bfa SCSI host lock push-down 2010-11-16 13:33:23 -08:00
bnx2i Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2010-10-23 11:47:02 -07:00
cxgbi [SCSI] cxgb4i: ignore informational act-open-rpl message 2010-10-25 16:09:57 -05:00
device_handler [SCSI] scsi_dh_rdac: Add two new SUN devices to rdac_dev_list 2010-10-25 16:13:24 -05:00
dpt
fcoe [SCSI] fcoe: Fix broken NPIV with correction to MAC validation 2010-10-25 15:11:39 -05:00
fnic SCSI host lock push-down 2010-11-16 13:33:23 -08:00
ibmvscsi SCSI host lock push-down 2010-11-16 13:33:23 -08:00
libfc SCSI host lock push-down 2010-11-16 13:33:23 -08:00
libsas SCSI host lock push-down 2010-11-16 13:33:23 -08:00
lpfc SCSI host lock push-down 2010-11-16 13:33:23 -08:00
megaraid SCSI host lock push-down 2010-11-16 13:33:23 -08:00
mpt2sas SCSI host lock push-down 2010-11-16 13:33:23 -08:00
mvsas [SCSI] Unify SAM_ and SAM_STAT_ macros 2010-07-28 09:07:49 -05:00
osd [SCSI] libosd: write/read_sg_kern API 2010-10-26 10:42:35 -05:00
pcmcia SCSI host lock push-down 2010-11-16 13:33:23 -08:00
pm8001 BKL: remove extraneous #include <smp_lock.h> 2010-11-17 08:59:32 -08:00
qla2xxx SCSI host lock push-down 2010-11-16 13:33:23 -08:00
qla4xxx SCSI host lock push-down 2010-11-16 13:33:23 -08:00
sym53c8xx_2 SCSI host lock push-down 2010-11-16 13:33:23 -08:00
.gitignore
3w-9xxx.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
3w-9xxx.h [SCSI] 3w-xxxx, 3w-9xxx: force 60 second timeout 2010-04-11 09:23:25 -05:00
3w-sas.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
3w-sas.h [SCSI] 3w-sas: Add new driver for LSI 3ware 9750 2009-12-04 12:00:51 -06:00
3w-xxxx.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
3w-xxxx.h [SCSI] 3w-xxxx, 3w-9xxx: force 60 second timeout 2010-04-11 09:23:25 -05:00
53c700_d.h_shipped
53c700.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
53c700.h
53c700.scr
a100u2w.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
a100u2w.h
a2091.c m68k/scsi: a2091 - Do not use legacy Scsi_Host.base 2010-05-26 19:51:08 +02:00
a2091.h m68k/scsi: a2091 - Kill a2091_scsiregs typedef 2010-05-26 19:51:07 +02:00
a3000.c m68k/scsi: a3000 - Do not use legacy Scsi_Host.base 2010-05-26 19:51:08 +02:00
a3000.h m68k/scsi: a3000 - Kill a3000_scsiregs typedef 2010-05-26 19:51:07 +02:00
a4000t.c m68k: amiga - A4000T SCSI platform device conversion 2010-05-26 19:51:09 +02:00
advansys.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
aha152x.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
aha152x.h
aha1542.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
aha1542.h SCSI host lock push-down 2010-11-16 13:33:23 -08:00
aha1740.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
aha1740.h
aic7xxx_old.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
atari_NCR5380.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
atari_scsi.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
atari_scsi.h
atp870u.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
atp870u.h
BusLogic.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
BusLogic.h SCSI host lock push-down 2010-11-16 13:33:23 -08:00
bvme6000_scsi.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ch.c Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2010-10-22 10:52:56 -07:00
constants.c [SCSI] Fix warning: zero-length gnu_printf format string 2010-09-02 17:15:31 -03:00
dc395x.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
dc395x.h
dmx3191d.c tree-wide: fix misspelling of "definition" in comments 2009-12-04 23:41:47 +01:00
dpt_i2o.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
dpti.h SCSI host lock push-down 2010-11-16 13:33:23 -08:00
dtc.c
dtc.h SCSI host lock push-down 2010-11-16 13:33:23 -08:00
eata_generic.h
eata_pio.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
eata_pio.h
eata.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
esp_scsi.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
esp_scsi.h
fd_mcs.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
fdomain.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
fdomain.h
FlashPoint.c [SCSI] FlashPoint: fix off by one tests 2010-01-18 10:48:14 -06:00
g_NCR5380_mmio.c
g_NCR5380.c g_NCR5380: fix broken MMIO compilation 2010-08-11 08:59:00 -07:00
g_NCR5380.h SCSI host lock push-down 2010-11-16 13:33:23 -08:00
gdth_ioctl.h [SCSI] gdth: Convert to use regular kernel types. 2010-01-18 10:48:16 -06:00
gdth_proc.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
gdth_proc.h [SCSI] gdth: Convert to use regular kernel types. 2010-01-18 10:48:16 -06:00
gdth.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
gdth.h [SCSI] gdth: Convert to use regular kernel types. 2010-01-18 10:48:16 -06:00
gvp11.c m68k/scsi: gvp11 - Do not use legacy Scsi_Host.base 2010-05-26 19:51:08 +02:00
gvp11.h m68k: amiga - GVP Series II SCSI zorro_driver conversion 2010-05-26 19:51:08 +02:00
hosts.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6 2010-10-22 19:36:42 -07:00
hpsa_cmd.h [SCSI] hpsa: Fix hard reset code. 2010-07-27 12:02:00 -05:00
hpsa.c BKL: remove extraneous #include <smp_lock.h> 2010-11-17 08:59:32 -08:00
hpsa.h [SCSI] hpsa: remove unused firm_ver member of the per-hba structure 2010-07-27 12:01:15 -05:00
hptiop.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
hptiop.h [SCSI] hptiop: Add RR44xx adapter support 2009-10-02 09:45:22 -05:00
ibmmca.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
imm.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
imm.h
in2000.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
in2000.h SCSI host lock push-down 2010-11-16 13:33:23 -08:00
initio.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
initio.h
ipr.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
ipr.h [SCSI] ipr: add definitions for a new adapter 2010-10-25 16:29:02 -05:00
ips.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
ips.h
iscsi_boot_sysfs.c [SCSI] iscsi boot: mv iscsi_boot_sysfs to drivers/scsi 2010-08-06 10:45:07 -05:00
iscsi_tcp.c [SCSI] iscsi_tcp: remove sk_sleep check 2010-05-25 10:04:10 -05:00
iscsi_tcp.h [SCSI] iscsi_tcp: Remove unused field iscsi_conn from struct iscsi_sw_tcp_conn 2010-04-11 14:04:05 -05:00
jazz_esp.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
Kconfig Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-10-24 13:41:39 -07:00
lasi700.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
libiscsi_tcp.c [SCSI] iscsi_tcp: change & to && 2010-04-11 14:03:59 -05:00
libiscsi.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
libsrp.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
mac53c94.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
mac53c94.h
mac_esp.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
mac_scsi.c
mac_scsi.h
Makefile [SCSI] cxgb3i: change cxgb3i to use libcxgbi 2010-09-05 14:29:23 -03:00
megaraid.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
megaraid.h SCSI host lock push-down 2010-11-16 13:33:23 -08:00
mesh.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
mesh.h
mvme16x_scsi.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
mvme147.c m68k/scsi: mvme147 - Kill obsolete HOSTS_C logic 2010-05-26 19:51:07 +02:00
mvme147.h [SCSI] mvme147: Reindentation 2010-05-02 15:55:03 -04:00
ncr53c8xx.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
ncr53c8xx.h
NCR53c406a.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
NCR5380.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
NCR5380.h SCSI host lock push-down 2010-11-16 13:33:23 -08:00
NCR_D700.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
NCR_D700.h
NCR_Q720.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
NCR_Q720.h
nsp32_debug.c
nsp32_io.h
nsp32.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
nsp32.h
osst_detect.h
osst_options.h
osst.c scsi: autoconvert trivial BKL users to private mutex 2010-09-15 21:00:45 +02:00
osst.h
pas16.c
pas16.h SCSI host lock push-down 2010-11-16 13:33:23 -08:00
pmcraid.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
pmcraid.h [SCSI] pmcraid: add support for set timestamp command and other fixes 2010-10-29 12:03:01 -05:00
ppa.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
ppa.h
ps3rom.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
qla1280.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
qla1280.h
qlogicfas408.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
qlogicfas408.h SCSI host lock push-down 2010-11-16 13:33:23 -08:00
qlogicfas.c
qlogicpti.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
qlogicpti.h of/device: Replace struct of_device with struct platform_device 2010-08-06 09:25:50 -06:00
raid_class.c [SCSI] raid_attrs: fix dependency problems 2010-03-03 21:17:06 +05:30
script_asm.pl
scsi_debug.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
scsi_devinfo.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
scsi_error.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
scsi_ioctl.c [SCSI] add scsi target reset support to scsi ioctl 2009-12-04 12:01:33 -06:00
scsi_lib_dma.c [SCSI] scsi_lib_dma: fix bug with dma maps on nested scsi objects 2009-12-04 12:01:30 -06:00
scsi_lib.c block: Deprecate QUEUE_FLAG_CLUSTER and use queue_limits instead 2010-12-17 08:35:53 +01:00
scsi_logging.h
scsi_module.c
scsi_netlink.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
scsi_pm.c [SCSI] implement runtime Power Management 2010-07-28 09:07:50 -05:00
scsi_priv.h SCSI: remove fake "address-of" expression 2010-08-06 09:17:02 -07:00
scsi_proc.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
scsi_sas_internal.h [SCSI] scsi_transport_sas: add support for transport layer retries (TLR) 2010-02-08 17:15:19 -06:00
scsi_scan.c driver core: remove CONFIG_SYSFS_DEPRECATED_V2 but keep it for block devices 2010-10-22 10:16:43 -07:00
scsi_sysctl.c sysctl: Drop & in front of every proc_handler. 2009-11-18 08:37:40 -08:00
scsi_sysfs.c [SCSI] Fix race when removing SCSI devices 2010-10-25 15:00:47 -05:00
scsi_tgt_if.c Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2010-10-22 10:52:56 -07:00
scsi_tgt_lib.c [SCSI] tgt: fix warning 2010-08-11 00:55:42 -04:00
scsi_tgt_priv.h
scsi_trace.c [SCSI] scsi_trace: Enhance SCSI command tracing 2010-04-30 12:52:08 -05:00
scsi_transport_api.h
scsi_transport_fc_internal.h
scsi_transport_fc.c [SCSI] fc class: add fc host dev loss sysfs file 2010-10-07 17:09:44 -05:00
scsi_transport_iscsi.c [SCSI] iscsi transport: fix kernel-doc notation 2010-09-09 15:30:08 -05:00
scsi_transport_sas.c [SCSI] scsi_transport_sas: add support for transport layer retries (TLR) 2010-02-08 17:15:19 -06:00
scsi_transport_spi.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
scsi_transport_srp_internal.h
scsi_transport_srp.c
scsi_typedefs.h
scsi_wait_scan.c
scsi.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
scsi.h
scsicam.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sd_dif.c block: Make the integrity mapped property a bio flag 2010-10-15 15:49:20 +02:00
sd.c BKL: remove extraneous #include <smp_lock.h> 2010-11-17 08:59:32 -08:00
sd.h [SCSI] sd: Fix overflow with big physical blocks 2010-10-11 17:33:20 -05:00
ses.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sg.c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-10-24 13:41:39 -07:00
sgiwd93.c platform-drivers: move probe to .devinit.text in drivers/scsi 2010-03-07 17:04:50 -08:00
sim710.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sni_53c710.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sr_ioctl.c [SCSI] sr: fix sr_drive_status handling when initialization required 2010-10-25 15:12:51 -05:00
sr_vendor.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sr.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 2010-10-22 20:30:48 -07:00
sr.h
st_options.h
st.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 2010-10-22 17:34:15 -07:00
st.h [SCSI] st: fix mdata->page_order handling 2009-12-10 08:54:13 -06:00
stex.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
sun3_NCR5380.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
sun3_scsi_vme.c block: remove wrappers for request type/flags 2010-08-07 18:17:56 +02:00
sun3_scsi.c block: remove wrappers for request type/flags 2010-08-07 18:17:56 +02:00
sun3_scsi.h SCSI host lock push-down 2010-11-16 13:33:23 -08:00
sun3x_esp.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sun_esp.c of/device: Replace struct of_device with struct platform_device 2010-08-06 09:25:50 -06:00
sym53c416.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
sym53c416.h SCSI host lock push-down 2010-11-16 13:33:23 -08:00
t128.c
t128.h SCSI host lock push-down 2010-11-16 13:33:23 -08:00
tmscsim.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
tmscsim.h
u14-34f.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
ultrastor.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
ultrastor.h SCSI host lock push-down 2010-11-16 13:33:23 -08:00
vmw_pvscsi.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
vmw_pvscsi.h [SCSI] vmw_pvscsi: SCSI driver for VMware's virtual HBA. 2009-12-04 12:00:49 -06:00
wd33c93.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
wd33c93.h SCSI host lock push-down 2010-11-16 13:33:23 -08:00
wd7000.c SCSI host lock push-down 2010-11-16 13:33:23 -08:00
zalon.c
zorro7xx.c m68k: amiga - Zorro bus modalias support 2010-05-17 21:37:41 +02:00