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David Howells 4a520d2769 proc: Supply an accessor for getting the data from a PDE's parent 
Supply an accessor function for getting the private data from the parent
proc_dir_entry struct of the proc_dir_entry struct associated with an inode.

ReiserFS, for instance, stores the super_block pointer in the proc directory
it makes for that super_block, and a pointer to the respective seq_file show
function in each of the proc files in that directory.

This allows a reduction in the number of file_operations structs, open
functions and seq_operations structs required.  The problem otherwise is that
each show function requires two pieces of data but only has storage for one
per PDE (and this has no release function).

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
cc: Jerry Chuang <jerry-chuang@realtek.com>
cc: Maxim Mikityanskiy <maxtram95@gmail.com>
cc: YAMANE Toshiaki <yamanetoshi@gmail.com>
cc: linux-wireless@vger.kernel.org
cc: linux-scsi@vger.kernel.org
cc: devel@driverdev.osuosl.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 		2013-05-01 17:29:42 -04:00
..
aacraid [SCSI] aacraid: suppress two GCC warnings 2013-02-24 09:38:10 +00:00
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 Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
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 Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
bfa SCSI misc on 20130222 2013-02-28 12:43:43 -08:00
bnx2fc FCoE Updates for 3.9 2013-03-01 09:10:08 +00:00
bnx2i [SCSI] bnx2i: fix the bit manipulation when setting the error mask 2013-01-29 14:15:34 +11:00
csiostor SCSI misc on 20130222 2013-02-28 12:43:43 -08:00
cxgbi [SCSI] cxgb4i: Remove the scsi host device when removing device 2013-01-30 11:58:06 +11:00
device_handler drivers/scsi/device_handler: remove depends on CONFIG_EXPERIMENTAL 2013-01-21 14:52:45 -08:00
dpt
…
fcoe FCoE Updates for 3.9 2013-03-01 09:10:08 +00:00
fnic [SCSI] fnic: Fnic Trace Utility 2013-02-22 17:32:07 +00:00
ibmvscsi Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
isci efi: Make 'efi_enabled' a function to query EFI facilities 2013-01-30 11:51:59 -08:00
libfc libfc: XenServer fails to mount root filesystem. 2013-02-15 09:33:27 -08:00
libsas treewide: fix typo of "suport" in various comments and Kconfig 2012-11-19 14:16:09 +01:00
lpfc lpfc: fix races for miscdevice open vs. rmmod 2013-04-29 15:41:44 -04:00
megaraid [SCSI] megaraid_sas: Version and Changelog update 2013-02-22 15:37:15 +00:00
mpt2sas mpt2sas: don't wank with fasync on ->release() 2013-04-29 15:41:45 -04:00
mpt3sas mpt3sas: don't wank with fasync on ->release() 2013-04-29 15:41:46 -04:00
mvsas [SCSI] mvsas: fixed timeout issue when removing module 2013-02-22 11:18:33 +00:00
osd SCSI for-linus on 20130301 2013-03-02 11:42:16 -08:00
pcmcia nsp_cs: switch to ->show_info() 2013-04-09 14:13:21 -04:00
pm8001 [SCSI] pm80xx: fix for memory region free 2013-02-22 15:44:40 +00:00
qla2xxx constify a bunch of struct file_operations instances 2013-04-09 14:16:20 -04:00
qla4xxx [SCSI] qla4xxx: don't free NULL dma pool 2013-02-22 11:24:22 +00:00
sym53c8xx_2 sym53c8xx_2: switch to ->show_info() 2013-04-09 14:13:15 -04:00
ufs [SCSI] ufs: Separate PCI code into glue driver 2013-02-25 16:56:32 +00:00
.gitignore
…
3w-9xxx.c new helper: file_inode(file) 2013-02-22 23:31:31 -05:00
3w-9xxx.h
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3w-sas.c new helper: file_inode(file) 2013-02-22 23:31:31 -05:00
3w-sas.h
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3w-xxxx.c new helper: file_inode(file) 2013-02-22 23:31:31 -05:00
3w-xxxx.h
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53c700.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
53c700.h
…
53c700.scr
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53c700_d.h_shipped
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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
…
Kconfig Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2013-02-21 17:40:58 -08:00
Makefile [SCSI] mpt3sas: add new driver supporting 12GB SAS 2012-12-01 10:09:17 +00:00
NCR53c406a.c
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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
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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
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aha1740.c aha1740: switch to ->show_info() 2013-04-09 14:13:23 -04:00
aha1740.h
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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
…
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
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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
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eata_generic.h
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eata_pio.c eata_pio: switch to ->show_info() 2013-04-09 14:13:23 -04:00
eata_pio.h
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esp_scsi.c scsi: Use vsprintf extention %pf with builtin_return_address 2012-04-05 17:09:40 -07:00
esp_scsi.h
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fdomain.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
fdomain.h
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g_NCR5380.c NCR5830: switch to ->show_info() 2013-04-09 14:13:17 -04:00
g_NCR5380.h
…
g_NCR5380_mmio.c
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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
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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
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in2000.c in2000: switch to ->show_info() 2013-04-09 14:13:25 -04:00
in2000.h
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initio.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
initio.h
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ipr.c [SCSI] ipr: Fix oops while resetting an ipr adapter 2013-02-24 08:24:48 +00:00
ipr.h [SCSI] ipr: Fix oops while resetting an ipr adapter 2013-02-24 08:24:48 +00:00
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: increase max_lun to ~0, don't care 2012-09-24 12:10:55 +04:00
iscsi_tcp.h
…
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: fix cmd timeout/completion race 2012-02-19 08:09:00 -06:00
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
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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 proc: Supply an accessor for getting the data from a PDE's parent 2013-05-01 17:29:42 -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 Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
mvumi.h [SCSI] mvumi: Add support for Marvell SAS/SATA RAID-on-Chip(ROC) 88RC9580 2012-10-07 11:34:36 +01:00
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
…
nsp32_debug.c
…
nsp32_io.h
…
osst.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
osst.h
…
osst_detect.h
…
osst_options.h
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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
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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
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qlogicfas.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
qlogicfas408.c
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qlogicfas408.h
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qlogicpti.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
qlogicpti.h
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raid_class.c
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script_asm.pl
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scsi.c [SCSI] Add a report opcode helper 2012-11-13 21:11:31 -08:00
scsi.h
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scsi_debug.c scsi_debug: switch to ->show_info() 2013-04-09 14:13:18 -04:00
scsi_devinfo.c [SCSI] Disable DIF on Hitachi Ultrastar 15K300 2012-09-24 12:11:00 +04:00
scsi_error.c [SCSI] Shorten the path length of scsi_cmd_to_driver() 2012-10-09 12:04:42 +01:00
scsi_ioctl.c
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scsi_lib.c ACPI / glue: Add .match() callback to struct acpi_bus_type 2013-03-04 14:23:40 +01:00
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
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scsi_module.c
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scsi_netlink.c scsi_netlink: Remove dead and buggy code 2012-09-13 16:26:39 -04:00
scsi_pm.c [SCSI] scsi_pm: use callbacks from dev_pm_ops for scsi devices 2012-11-30 09:26:48 +00:00
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
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scsi_scan.c Merge SCSI misc branch into isci-for-3.6 tag 2012-10-02 08:55:12 +01:00
scsi_sysctl.c
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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
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scsi_tgt_priv.h
…
scsi_trace.c
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scsi_transport_api.h
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scsi_transport_fc.c Merge branch 'for-3.6/core' of git://git.kernel.dk/linux-block 2012-08-01 09:02:41 -07:00
scsi_transport_fc_internal.h
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scsi_transport_iscsi.c SCSI misc on 20130222 2013-02-28 12:43:43 -08:00
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
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scsi_typedefs.h
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scsicam.c fs: move code out of buffer.c 2012-01-03 22:54:07 -05:00
sd.c [SCSI] sd: update sd to use the new pm callbacks 2012-11-30 09:28:34 +00:00
sd.h [SCSI] sd: Implement support for WRITE SAME 2012-11-13 22:45:42 -08:00
sd_dif.c [SCSI] sd: Avoid remapping bad reference tags 2012-09-24 12:10:59 +04:00
ses.c
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sg.c scsi: convert to idr_alloc() 2013-02-27 19:10:18 -08:00
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 [libata] scsi: no poll when ODD is powered off 2013-01-25 15:36:43 -05:00
sr.h
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sr_ioctl.c scsi: Fix up files implicitly depending on module.h inclusion 2011-10-31 19:31:24 -04:00
sr_vendor.c
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st.c scsi: convert to idr_alloc() 2013-02-27 19:10:18 -08:00
st.h [SCSI] st: raise device limit 2012-09-14 17:59:29 +01:00
st_options.h
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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
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sun3_scsi.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
sun3_scsi.h
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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
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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
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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
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virtio_scsi.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
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