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33bccf55c2
If a fail queuecommand error is injected, return the failed value defined in the rule from queuecommand. Make queuecommand return format: +--------+------+-------------------------------------------------------+ | Column | Type | Description | +--------+------+-------------------------------------------------------+ | 1 | u8 | Error type, fixed to 0x1 | +--------+------+-------------------------------------------------------+ | 2 | s32 | Error count | | | | 0: this rule will be ignored | | | | positive: the rule will always take effect | | | | negative: the rule takes effect n times where -n is | | | | the value given. Ignored after n times | +--------+------+-------------------------------------------------------+ | 3 | x8 | SCSI command opcode, 0xff for all commands | +--------+------+-------------------------------------------------------+ | 4 | x32 | The queuecommand() return value we want | +--------+------+-------------------------------------------------------+ Examples: error=/sys/kernel/debug/scsi_debug/0:0:0:1/error echo "1 1 0x12 0x1055" > ${error} will make each INQUIRY command sent to that device return 0x1055 (SCSI_MLQUEUE_HOST_BUSY). Acked-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: Wenchao Hao <haowenchao2@huawei.com> Link: https://lore.kernel.org/r/20231010092051.608007-6-haowenchao2@huawei.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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arch | ||
block | ||
certs | ||
crypto | ||
Documentation | ||
drivers | ||
fs | ||
include | ||
init | ||
io_uring | ||
ipc | ||
kernel | ||
lib | ||
LICENSES | ||
mm | ||
net | ||
rust | ||
samples | ||
scripts | ||
security | ||
sound | ||
tools | ||
usr | ||
virt | ||
.clang-format | ||
.cocciconfig | ||
.get_maintainer.ignore | ||
.gitattributes | ||
.gitignore | ||
.mailmap | ||
.rustfmt.toml | ||
COPYING | ||
CREDITS | ||
Kbuild | ||
Kconfig | ||
MAINTAINERS | ||
Makefile | ||
README |
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.