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FUJITA Tomonori c982c368bb [SCSI] st: fix mdata->page_order handling 
dio transfer always resets mdata->page_order to zero. It breaks
high-order pages previously allocated for non-dio transfer.

This patches adds reserved_page_order to st_buffer structure to save
page order for non-dio transfer.

http://bugzilla.kernel.org/show_bug.cgi?id=14563

When enlarge_buffer() allocates 524288 from 0, st uses six-order page
allocation. So mdata->page_order is 6 and frp_seg is 2.

After that, if st uses dio, sgl_map_user_pages() sets
mdata->page_order to 0 for st_do_scsi(). After that, when we call
normalize_buffer(), it frees only free frp_seg * PAGE_SIZE (2 * 4096)
though we should free frp_seg * PAGE_SIZE << 6 (2 * 4096 << 6). So we
see buffer_size is set to 516096 (524288 - 8192).

Reported-by: Joachim Breuer <linux-kernel@jmbreuer.net>
Tested-by: Joachim Breuer <linux-kernel@jmbreuer.net>
Acked-by: Kai Makisara <kai.makisara@kolumbus.fi>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: stable@kernel.org
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
 		2009-12-10 08:54:13 -06:00
..
aacraid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
aic7xxx tree-wide: fix assorted typos all over the place 2009-12-04 15:39:55 +01:00
aic7xxx_old
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aic94xx tree-wide: fix misspelling of "definition" in comments 2009-12-04 23:41:47 +01:00
arcmsr [SCSI] modify change_queue_depth to take in reason why it is being called 2009-12-04 12:00:41 -06:00
arm Merge branch 'master' into devel 2009-03-28 20:30:18 +00:00
be2iscsi [SCSI] be2iscsi: Adding support for various Async messages from chip 2009-12-10 08:54:13 -06:00
bfa Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
bnx2i Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
cxgb3i [SCSI] libiscsi: add warm target reset tmf support 2009-12-04 12:01:36 -06:00
device_handler [SCSI] scsi_dh_rdac: Add two new IBM devices to rdac_dev_list 2009-12-10 08:54:10 -06:00
dpt trivial: fix typo milisecond/millisecond for documentation and source comments. 2009-06-12 18:01:46 +02:00
fcoe [SCSI] fcoe, libfc: add get_lesb() to allow LLD to fill the link error status block (LESB) 2009-12-04 12:01:58 -06:00
fnic [SCSI] fnic: enable bsg pass-thru for fcping 2009-12-04 12:01:20 -06:00
ibmvscsi [SCSI] modify change_queue_depth to take in reason why it is being called 2009-12-04 12:00:41 -06:00
libfc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
libsas Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 2009-12-09 19:42:25 -08:00
lpfc [SCSI] lpfc: fix hang on SGI ia64 platform 2009-12-10 08:54:09 -06:00
megaraid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
mpt2sas [SCSI] mpt2sas: add missing initialization of scsih_cmds 2009-12-10 08:54:10 -06:00
mvsas [SCSI] mvsas: add support for Adaptec ASC-1045/1405 SAS/SATA HBA 2009-12-10 08:54:12 -06:00
osd [SCSI] libosd: Error handling revamped 2009-12-04 12:01:47 -06:00
pcmcia pcmcia: rework the irq_req_t typedef 2009-11-28 18:03:14 +01:00
pm8001 [SCSI] pm8001: Fixes for tag alloc, error goto and code cleanup 2009-12-04 12:01:32 -06:00
qla2xxx [SCSI] scsi_lib_dma: fix bug with dma maps on nested scsi objects 2009-12-04 12:01:30 -06:00
qla4xxx trivial: fix typo "to to" in multiple files 2009-09-21 15:14:55 +02:00
sym53c8xx_2 tree-wide: fix assorted typos all over the place 2009-12-04 15:39:55 +01:00
.gitignore [SCSI] 53c7xx: fix removal fallout 2008-01-11 18:22:30 -06:00
3w-9xxx.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
3w-9xxx.h [SCSI] 3w-9xxx: add power management support 2009-03-13 15:46:42 -05:00
3w-sas.c [SCSI] 3w-sas: Add new driver for LSI 3ware 9750 2009-12-04 12:00:51 -06:00
3w-sas.h [SCSI] 3w-sas: Add new driver for LSI 3ware 9750 2009-12-04 12:00:51 -06:00
3w-xxxx.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
3w-xxxx.h [SCSI] 3w-xxxx: scsi_dma_unmap fix 2009-05-15 12:24:59 -04:00
53c700.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
53c700.h
…
53c700.scr
…
53c700_d.h_shipped
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BusLogic.c dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
BusLogic.h [SCSI] BusLogic: make FlashPoint support x86-32 only 2008-04-07 12:15:44 -05:00
FlashPoint.c [SCSI] FlashPoint: fix off-by-one errors 2008-04-27 12:19:55 -05:00
Kconfig [SCSI] fnic: Add FIP support to the fnic driver 2009-12-04 12:01:19 -06:00
Makefile [SCSI] 3w-sas: Add new driver for LSI 3ware 9750 2009-12-04 12:00:51 -06:00
NCR53c406a.c [SCSI] remove use_sg_chaining 2008-01-30 13:14:02 -06:00
NCR5380.c [SCSI] Clean up my email address and use a single standard address for everything 2008-12-29 11:24:12 -06:00
NCR5380.h
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NCR_D700.c [SCSI] NCR_D700: fix IRQ handler return type 2009-05-23 15:44:09 -05:00
NCR_D700.h
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NCR_Q720.c
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NCR_Q720.h
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a100u2w.c dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
a100u2w.h
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a2091.c [SCSI] a2091: make 2 functions static 2009-04-03 10:17:31 -05:00
a2091.h [SCSI] a2091: make 2 functions static 2009-04-03 10:17:31 -05:00
a3000.c [SCSI] a3000: make 2 functions static 2009-04-03 10:17:17 -05:00
a3000.h [SCSI] a3000: make 2 functions static 2009-04-03 10:17:17 -05:00
a4000t.c scsi: a4000 - Correct driver unregistration in case of failure 2009-04-22 20:39:06 +02:00
advansys.c tree-wide: fix misspelling of "definition" in comments 2009-12-04 23:41:47 +01:00
aha152x.c drivers/scsi: use nr_irqs 2008-10-16 16:52:06 +02:00
aha152x.h
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aha1542.c [SCSI] aha1542: minor irq handler cleanups 2008-04-27 12:19:55 -05:00
aha1542.h
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aha1740.c scsi: remove driver_data direct access of struct device 2009-06-15 21:30:27 -07:00
aha1740.h
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aic7xxx_old.c Remove pointless casts from void pointers 2008-02-06 10:41:01 -08:00
atari_NCR5380.c Remove multiple KERN_ prefixes from printk formats 2009-07-08 10:30:03 -07:00
atari_scsi.c m68k: section mismatch fixes: Atari SCSI 2009-03-26 21:15:29 +01:00
atari_scsi.h
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atp870u.c dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
atp870u.h
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bvme6000_scsi.c scsi/m68k: Kill NCR_700_detect() warnings 2009-03-24 16:38:25 -07:00
ch.c [SCSI] ch: Check NULL for kmalloc() return 2009-08-22 17:52:22 -05:00
constants.c [SCSI] scsi: Add missing command definitions 2009-12-04 12:00:15 -06:00
dc395x.c tree-wide: fix typos "selct" + "slect" -> "select" 2009-11-09 09:40:56 +01:00
dc395x.h
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dmx3191d.c tree-wide: fix misspelling of "definition" in comments 2009-12-04 23:41:47 +01:00
dpt_i2o.c dpt_i2o: Fix typo of EINVAL 2009-10-31 12:11:38 -07:00
dpti.h drivers/scsi/dpt_i2o.c: fix build on alpha 2008-05-08 10:46:56 -07:00
dtc.c [SCSI] NCR5380: Fix bugs and canonicalize irq handler usage 2007-11-25 12:19:26 +02:00
dtc.h
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eata.c block: convert to pos and nr_sectors accessors 2009-05-11 09:50:54 +02:00
eata_generic.h
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eata_pio.c [SCSI] Clean up my email address and use a single standard address for everything 2008-12-29 11:24:12 -06:00
eata_pio.h
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esp_scsi.c [SCSI] esp_scsi: Use DIV_ROUND_UP 2008-12-29 11:24:14 -06:00
esp_scsi.h sparc: Kill SBUS DVMA layer. 2008-08-29 02:13:10 -07:00
fd_mcs.c [SCSI] fd_mcs: convert to accessors and !use_sg cleanup 2008-01-11 18:22:35 -06:00
fdomain.c [SCSI] Clean up my email address and use a single standard address for everything 2008-12-29 11:24:12 -06:00
fdomain.h
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g_NCR5380.c [SCSI] NCR5380: Fix bugs and canonicalize irq handler usage 2007-11-25 12:19:26 +02:00
g_NCR5380.h
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g_NCR5380_mmio.c
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gdth.c [SCSI] gdth: Prevent negative offsets in ioctl CVE-2009-3080 2009-11-11 12:14:21 -05:00
gdth.h block: unify request timeout handling 2008-10-09 08:56:13 +02:00
gdth_ioctl.h
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gdth_proc.c [SCSI] gdth: fix overlapping snprintf users 2009-06-09 10:31:46 -05:00
gdth_proc.h block: unify request timeout handling 2008-10-09 08:56:13 +02:00
gvp11.c [SCSI] a2091, gvp11: kill warn_unused_result warnings 2009-01-02 12:16:18 -06:00
gvp11.h
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hosts.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 2009-12-09 19:42:25 -08:00
hptiop.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
hptiop.h [SCSI] hptiop: Add RR44xx adapter support 2009-10-02 09:45:22 -05:00
ibmmca.c [SCSI] Clean up my email address and use a single standard address for everything 2008-12-29 11:24:12 -06:00
imm.c [SCSI] replace __FUNCTION__ with __func__ 2008-07-27 10:31:49 -04:00
imm.h
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in2000.c [SCSI] Clean up my email address and use a single standard address for everything 2008-12-29 11:24:12 -06:00
in2000.h
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initio.c dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
initio.h [SCSI] Clean up my email address and use a single standard address for everything 2008-12-29 11:24:12 -06:00
ipr.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 2009-12-09 19:42:25 -08:00
ipr.h [SCSI] ipr: add workaround for MSI interrupts on P7 2009-11-06 11:09:27 -06:00
ips.c dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
ips.h removed unused #include <linux/version.h>'s 2008-08-23 12:14:12 -07:00
iscsi_tcp.c [SCSI] libiscsi: add warm target reset tmf support 2009-12-04 12:01:36 -06:00
iscsi_tcp.h [SCSI] iscsi_tcp: hook iscsi_tcp into new libiscsi_tcp module 2008-12-29 11:24:22 -06:00
jazz_esp.c [SCSI] jazz_esp, sgiwd93, sni_53c710, sun3x_esp: fix platform driver hotplug/coldplug 2008-04-27 12:33:04 -05:00
lasi700.c dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
libiscsi.c [SCSI] libiscsi: hook into ramp up/down handling 2009-12-04 12:01:39 -06:00
libiscsi_tcp.c tree-wide: fix assorted typos all over the place 2009-12-04 15:39:55 +01:00
libsrp.c [SCSI] libsrp: fix memory leak in srp_ring_free() 2009-09-12 09:35:34 -05:00
mac53c94.c Remove multiple KERN_ prefixes from printk formats 2009-07-08 10:30:03 -07:00
mac53c94.h
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mac_esp.c [SCSI] mac_esp: fix for quadras with two esp chips 2008-12-29 11:24:19 -06:00
mac_scsi.c m68k: machw.h cleanup 2008-12-28 20:00:03 +01:00
mac_scsi.h
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megaraid.c dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
megaraid.h tree-wide: fix assorted typos all over the place 2009-12-04 15:39:55 +01:00
mesh.c [SCSI] SCSI: remove dev->power.power_state from mesh driver 2008-06-05 09:23:44 -05:00
mesh.h
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mvme16x_scsi.c scsi/m68k: Kill NCR_700_detect() warnings 2009-03-24 16:38:25 -07:00
mvme147.c [SCSI] wd33c93: fix up cut and paste error 2008-04-07 12:19:07 -05:00
mvme147.h
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ncr53c8xx.c tree-wide: fix assorted typos all over the place 2009-12-04 15:39:55 +01:00
ncr53c8xx.h
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nsp32.c tree-wide: fix a very frequent spelling mistake 2009-11-09 09:40:54 +01:00
nsp32.h removed unused #include <linux/version.h>'s 2008-08-23 12:14:12 -07:00
nsp32_debug.c [SCSI] replace __FUNCTION__ with __func__ 2008-07-27 10:31:49 -04:00
nsp32_io.h
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osst.c [SCSI] osst: replace scsi_execute_async with the block layer API 2009-03-12 12:58:10 -05:00
osst.h [SCSI] osst: replace scsi_execute_async with the block layer API 2009-03-12 12:58:10 -05:00
osst_detect.h
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osst_options.h
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pas16.c [SCSI] NCR5380: Fix bugs and canonicalize irq handler usage 2007-11-25 12:19:26 +02:00
pas16.h
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pmcraid.c [SCSI] pmcraid: support SMI-S object model of storage pool 2009-12-10 08:54:12 -06:00
pmcraid.h [SCSI] pmcraid: support SMI-S object model of storage pool 2009-12-10 08:54:12 -06:00
ppa.c [SCSI] replace __FUNCTION__ with __func__ 2008-07-27 10:31:49 -04:00
ppa.h
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ps3rom.c ps3rom: Use ps3_system_bus_[gs]et_drvdata() instead of direct access 2009-06-16 14:15:46 +10:00
qla1280.c [SCSI] qla1280: error recovery rewrite 2009-05-20 17:21:13 -05:00
qla1280.h [SCSI] qla1280: error recovery rewrite 2009-05-20 17:21:13 -05:00
qlogicfas.c [SCSI] remove use_sg_chaining 2008-01-30 13:14:02 -06:00
qlogicfas408.c [SCSI] Clean up my email address and use a single standard address for everything 2008-12-29 11:24:12 -06:00
qlogicfas408.h
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qlogicpti.c [SCSI] qlogicpti: use request_firmware 2009-04-03 09:25:23 -05:00
qlogicpti.h [SCSI] qlogicpti: add missing parentheses 2009-12-04 12:01:28 -06:00
raid_class.c [SCSI] struct device - replace bus_id with dev_name(), dev_set_name() 2009-01-02 10:22:16 -06:00
script_asm.pl
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scsi.c [SCSI] add queue_depth ramp up code 2009-12-04 12:00:44 -06:00
scsi.h
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scsi_debug.c [SCSI] scsi_debug: fix Thin provisioning support 2009-12-04 12:00:49 -06:00
scsi_devinfo.c [SCSI] fix func names in kernel-doc 2009-12-04 12:01:48 -06:00
scsi_error.c [SCSI] add queue_depth ramp up code 2009-12-04 12:00:44 -06:00
scsi_ioctl.c [SCSI] add scsi target reset support to scsi ioctl 2009-12-04 12:01:33 -06:00
scsi_lib.c [SCSI] scsi_lib: fix potential NULL dereference 2009-12-04 12:00:51 -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_logging.h
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scsi_module.c
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scsi_netlink.c tree-wide: fix assorted typos all over the place 2009-12-04 15:39:55 +01:00
scsi_priv.h driver model: constify attribute groups 2009-09-15 09:50:47 -07:00
scsi_proc.c proc 2/2: remove struct proc_dir_entry::owner 2009-03-31 01:14:44 +04:00
scsi_sas_internal.h SCSI: convert struct class_device to struct device 2008-04-19 19:10:33 -07:00
scsi_scan.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 2009-12-09 19:42:25 -08:00
scsi_sysctl.c sysctl: Drop & in front of every proc_handler. 2009-11-18 08:37:40 -08:00
scsi_sysfs.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 2009-12-09 19:42:25 -08:00
scsi_tgt_if.c scsi-tgt: BKL pushdown 2008-07-02 15:06:25 -06:00
scsi_tgt_lib.c block: cleanup rq->data_len usages 2009-05-11 09:50:55 +02:00
scsi_tgt_priv.h [SCSI] replace __FUNCTION__ with __func__ 2008-07-27 10:31:49 -04:00
scsi_transport_api.h
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scsi_transport_fc.c [SCSI] fc class: fix fc_transport_init error handling 2009-12-10 08:54:11 -06:00
scsi_transport_fc_internal.h
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scsi_transport_iscsi.c [SCSI] iscsi class: modify handling of replacement timeout 2009-12-04 12:01:37 -06:00
scsi_transport_sas.c tree-wide: fix assorted typos all over the place 2009-12-04 15:39:55 +01:00
scsi_transport_spi.c scsi_transport_spi: Blacklist Ultrium-3 tape for IU transfers 2009-06-21 10:52:46 -05:00
scsi_transport_srp.c [SCSI] struct device - replace bus_id with dev_name(), dev_set_name() 2009-01-02 10:22:16 -06:00
scsi_transport_srp_internal.h
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scsi_typedefs.h
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scsi_wait_scan.c driver synchronization: make scsi_wait_scan more advanced 2009-04-21 19:40:00 -07:00
scsicam.c [SCSI] Add Documentation and integrate into docbook build 2008-01-11 18:22:40 -06:00
sd.c [SCSI] sd: Support disks formatted with DIF Type 2 2009-10-02 09:47:04 -05:00
sd.h [SCSI] sd: Support disks formatted with DIF Type 2 2009-10-02 09:47:04 -05:00
sd_dif.c [SCSI] sd: Return correct error code for DIF 2009-11-26 08:54:46 -06:00
ses.c [SCSI] ses: update enclosure data on hot add 2009-08-22 17:52:14 -05:00
sg.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6 2009-10-11 11:12:33 -07:00
sgiwd93.c [SCSI] sgiwd93: Fix compilation warning 2009-01-02 10:58:41 -06:00
sim710.c [SCSI] struct device - replace bus_id with dev_name(), dev_set_name() 2009-01-02 10:22:16 -06:00
sni_53c710.c dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
sr.c [SCSI] sr: consider the last written sector when determining media size 2009-10-02 09:45:46 -05:00
sr.h [SCSI] sr: fix test unit ready responses 2008-02-07 18:02:44 -06:00
sr_ioctl.c [SCSI] sr: report more accurate drive status after closing the tray. 2009-04-27 09:32:30 -05:00
sr_vendor.c drivers/scsi/sr_vendor.c: use bcd2bin 2008-10-20 08:52:41 -07:00
st.c [SCSI] st: fix mdata->page_order handling 2009-12-10 08:54:13 -06:00
st.h [SCSI] st: fix mdata->page_order handling 2009-12-10 08:54:13 -06:00
st_options.h [SCSI] st: add option to use SILI in variable block reads 2008-04-07 12:15:39 -05:00
stex.c [SCSI] stex: update version to 4.6.0000.4 2009-10-29 13:03:27 -04:00
sun3_NCR5380.c Remove multiple KERN_ prefixes from printk formats 2009-07-08 10:30:03 -07:00
sun3_scsi.c [SCSI] NCR5380: Fix bugs and canonicalize irq handler usage 2007-11-25 12:19:26 +02:00
sun3_scsi.h
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sun3_scsi_vme.c [SCSI] sun3_scsi_vme: add MODULE_LICENSE 2008-04-16 09:28:11 -05:00
sun3x_esp.c [SCSI] sun3x_esp: Convert && to || 2008-10-23 11:42:19 -05:00
sun_esp.c sparc: Annotate of_device_id arrays with const or __initdata. 2008-08-31 01:23:17 -07:00
sym53c416.c [SCSI] Clean up my email address and use a single standard address for everything 2008-12-29 11:24:12 -06:00
sym53c416.h
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t128.c [SCSI] NCR5380: Fix bugs and canonicalize irq handler usage 2007-11-25 12:19:26 +02:00
t128.h
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tmscsim.c [SCSI] tmscsim: fix indentation and braces disagreement - add braces 2008-12-29 11:24:14 -06:00
tmscsim.h
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u14-34f.c block: convert to pos and nr_sectors accessors 2009-05-11 09:50:54 +02:00
ultrastor.c scsi: fix integer as NULL pointer warnings 2008-04-28 17:31:13 -07:00
ultrastor.h
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vmw_pvscsi.c [SCSI] vmw_pvscsi: SCSI driver for VMware's virtual HBA. 2009-12-04 12:00:49 -06:00
vmw_pvscsi.h [SCSI] vmw_pvscsi: SCSI driver for VMware's virtual HBA. 2009-12-04 12:00:49 -06:00
wd33c93.c [SCSI] WD33C93: let platform stub override no_sync/fast/dma_mode 2008-04-07 12:19:01 -05:00
wd33c93.h Spelling fix: explicitly 2007-10-19 23:22:55 +02:00
wd7000.c tree-wide: fix misspelling of "definition" in comments 2009-12-04 23:41:47 +01:00
zalon.c [SCSI] zalon: fix oops on attach failure 2009-06-25 11:37:23 -05:00
zorro7xx.c m68k: zorro7xx needs <asm/amigahw.h> 2007-11-29 09:24:52 -08:00