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authorMasami Hiramatsu <mhiramat@kernel.org>2018-01-13 02:56:03 +0900
committerAlexei Starovoitov <ast@kernel.org>2018-01-12 17:33:38 -0800
commit4b1a29a7f5425d32640b34b8a755f34e02f64d0f (patch)
tree1925d4ef5c272c7aedea297359a35eeed505362b /crypto
parent663faf9f7beeaca4ad0176bb96c776eed9dad0c5 (diff)
downloadlinux-4b1a29a7f5425d32640b34b8a755f34e02f64d0f.tar.bz2
error-injection: Support fault injection framework
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> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'crypto')
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