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SubjectRe: [PATCH bpf-next v3 5/5] error-injection: Support fault injection framework
On Wed, Jan 10, 2018 at 07:19:05PM +0900, Masami Hiramatsu wrote:
> Support in-kernel fault-injection framework via debugfs.
> This allows you to inject a conditional error to specified
> function using debugfs interfaces.
>
> Here is the result of test script described in
> Documentation/fault-injection/fault-injection.txt
>
> ===========
> # ./test_fail_function.sh
> 1+0 records in
> 1+0 records out
> 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0227404 s, 46.1 MB/s
> btrfs-progs v4.4
> See http://btrfs.wiki.kernel.org for more information.
>
> Label: (null)
> UUID: bfa96010-12e9-4360-aed0-42eec7af5798
> Node size: 16384
> Sector size: 4096
> Filesystem size: 1001.00MiB
> Block group profiles:
> Data: single 8.00MiB
> Metadata: DUP 58.00MiB
> System: DUP 12.00MiB
> SSD detected: no
> Incompat features: extref, skinny-metadata
> Number of devices: 1
> Devices:
> ID SIZE PATH
> 1 1001.00MiB /dev/loop2
>
> mount: mount /dev/loop2 on /opt/tmpmnt failed: Cannot allocate memory
> SUCCESS!
> ===========
>
>
> Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>

Reviewed-by: Josef Bacik <jbacik@fb.com>

Thanks,

Josef

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