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 <mhira...@kernel.org>
Reviewed-by: Josef Bacik <jba...@fb.com> Thanks, Josef