1 QA output created by 250
2 *** create loop mount point
3 *** mkfs loop file (size=50g)
4 meta-data=DDEV isize=XXX agcount=N, agsize=XXX blks
5 data = bsize=XXX blocks=XXX, imaxpct=PCT
6 = sunit=XXX swidth=XXX, unwritten=X
8 log =LDEV bsize=XXX blocks=XXX
9 realtime =RDEV extsz=XXX blocks=XXX, rtextents=XXX
10 *** mount loop filesystem
11 *** preallocate large file
12 *** unmount loop filesystem
13 *** check loop filesystem