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Add fbd -- Faulty Block Device driver

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This driver can be loaded as an overlay on top of a real block
device, and can then be used to generate block-level failures for
certain transfer requests. Specifically, a rule-based system allows
the user to introduce (overt and silent) data corruption and errors.

It exposes itself through /dev/fbd, and a file system can be mounted
on top of it. The new fbdctl(8) tool can be used to control the
driver; see ``man fbdctl'' for details. It also comes with a test
set, located in test/fbdtest.
This commit is contained in:
David van Moolenbroek
2011-12-11 19:32:13 +01:00
parent f65e531ee4
commit e7db2d3588
24 changed files with 1925 additions and 9 deletions
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drivers/Makefile
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@@ -12,7 +12,7 @@ SUBDIR= at_wini bios_wini floppy log tty pci .WAIT ramdisk .WAIT memory
# memory driver must be last for ramdisk image
SUBDIR+= ahci amddev atl2 at_wini audio bios_wini dec21140A dp8390 dpeth \
e1000 filter floppy fxp hello lance log orinoco pci printer \
e1000 fbd filter floppy fxp hello lance log orinoco pci printer \
random readclock rtl8139 rtl8169 ti1225 tty vbox acpi \
.WAIT ramdisk .WAIT memory