Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
[linux-2.6-block.git] / drivers / s390 / block / Kconfig
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1da177e4 1comment "S/390 block device drivers"
61d48c2c 2 depends on S390 && BLOCK
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3
4config BLK_DEV_XPRAM
5 tristate "XPRAM disk support"
61d48c2c 6 depends on S390 && BLOCK
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7 help
8 Select this option if you want to use your expanded storage on S/390
9 or zSeries as a disk. This is useful as a _fast_ swap device if you
10 want to access more than 2G of memory when running in 31 bit mode.
11 This option is also available as a module which will be called
12 xpram. If unsure, say "N".
13
14config DCSSBLK
15 tristate "DCSSBLK support"
61d48c2c 16 depends on S390 && BLOCK
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17 help
18 Support for dcss block device
19
20config DASD
21 tristate "Support for DASD devices"
61d48c2c 22 depends on CCW && BLOCK
08a8a0c5 23 select IOSCHED_DEADLINE
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24 help
25 Enable this option if you want to access DASDs directly utilizing
26 S/390s channel subsystem commands. This is necessary for running
27 natively on a single image or an LPAR.
28
29config DASD_PROFILE
30 bool "Profiling support for dasd devices"
31 depends on DASD
32 help
33 Enable this option if you want to see profiling information
34 in /proc/dasd/statistics.
35
36config DASD_ECKD
37 tristate "Support for ECKD Disks"
38 depends on DASD
39 help
40 ECKD devices are the most commonly used devices. You should enable
41 this option unless you are very sure to have no ECKD device.
42
43config DASD_FBA
44 tristate "Support for FBA Disks"
45 depends on DASD
46 help
47 Select this option to be able to access FBA devices. It is safe to
48 say "Y".
49
50config DASD_DIAG
51 tristate "Support for DIAG access to Disks"
d0b2eaa3 52 depends on DASD
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53 help
54 Select this option if you want to use Diagnose250 command to access
55 Disks under VM. If you are not running under VM or unsure what it is,
56 say "N".
57
20c64468
SW
58config DASD_EER
59 bool "Extended error reporting (EER)"
60 depends on DASD
61 help
62 This driver provides a character device interface to the
63 DASD extended error reporting. This is only needed if you want to
64 use applications written for the EER facility.