While running LTP syscalls test case ftruncate04 found this warning.

[ 136.115071] loop0: detected capacity change from 0 to 524288 tst_device.c:89: TINFO: Found free device 0 '/dev/loop0' tst_test.c:889: TINFO: Formatting /dev/loop0 with ext2 opts='' extra opts='' mke2fs 1.43.8 (1-Jan-2018) [ 136.250270] EXT4-fs (loop0): mounting ext2 file system using the ext4 subsystem [ 136.255226] ext2 filesystem being mounted at /tmp/ltp-GKVnWFZH5N/nTMmf9/mntpoint supports timestamps until 2038 (0x7fffffff) [ 136.258936] ====================================================== [ 136.258936] WARNING: the mand mount option is being deprecated and [ 136.258936] will be removed in v5.15! [ 136.258936] ====================================================== tst_test.c:1313: TINFO: Timeout per run is 0h 15m 00s [ 136.266703] EXT4-fs (loop0): re-mounted. Opts: (null). Quota mode: none. [ 136.267843] ext2 filesystem being remounted at /tmp/ltp-GKVnWFZH5N/nTMmf9/mntpoint supports timestamps until 2038 (0x7fffffff) ftruncate04.c:116: TINFO: Child locks file ftruncate04.c:60: TPASS: ftruncate() offset before lock failed with EAGAIN ftruncate04.c:60: TPASS: ftruncate() offset in lock failed with EAGAIN ftruncate04.c:84: TPASS: ftruncate() offset after lock succeded ftruncate04.c:127: TINFO: Child unlocks file ftruncate04.c:84: TPASS: ftruncate() offset in lock succeded ftruncate04.c:84: TPASS: ftruncate() offset before lock succeded ftruncate04.c:84: TPASS: ftruncate() offset after lock succeded

Reported-by: Naresh Kamboju naresh.kamboju@linaro.org

Full test log link, https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.14.y/build/v5.14-...

Test case link, https://github.com/linux-test-project/ltp/blob/master/testcases/kernel/sysca...

- Naresh