Hi!
[ 1192.088987] loop0: detected capacity change from 0 to 614400 tst_device.c:93: TINFO: Found free device 0 '/dev/loop0' tst_test.c:1093: TINFO: Formatting /dev/loop0 with ext4 opts='-I 256' extra opts='' mke2fs 1.46.5 (30-Dec-2021) [ 1192.337350] EXT4-fs (loop0): mounted filesystem dfe9283c-5d2f-43f8-840e-a2bbbff5b202 r/w with ordered data mode. Quota mode: none. tst_test.c:1558: TINFO: Timeout per run is 0h 05m 00s
statx06.c:140: TPASS: Birth time Passed statx06.c:138: TFAIL: Modified time > after_time statx06.c:140: TPASS: Access time Passed statx06.c:140: TPASS: Change time Passed
I found a description in
https://lwn.net/ml/linux-kernel/20230503142037.153531-1-jlayton@kernel.org/
which indicates that this is expected. Added Jeff to Cc in case I'm misreading his explanation.
We even have in-flight patch from Jeff to fix the test with fine-grained timestamps in LTP:
http://patchwork.ozlabs.org/project/ltp/patch/20230518113216.126233-1-jlayto...