Veja a página do manual de tune2fs :
-c max-mount-counts
Adjust the number of mounts after which the filesystem will be checked
by e2fsck(8). If max-mount-counts is 0 or -1, the number of times the
filesystem is mounted will be disregarded by e2fsck(8) and the kernel.
-i interval-between-checks[d|m|w]
Adjust the maximal time between two filesystem checks. No postfix or d
result in days, m in months, and w in weeks. A value of zero will
disable the time-dependent checking.
Então tune2fs -c 0 -i 0 /dev/sdx1