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6d6747f853
The original minix zmap blocks calculation was correct, in the formula of: sbi->s_nzones - sbi->s_firstdatazone + 1 It is sp->s_zones - (sp->s_firstdatazone - 1) in the minix3 source code. But a later commit 016e8d44bc06 ("fs/minix: Verify bitmap block counts before mounting") has changed it unfortunately as: sbi->s_nzones - (sbi->s_firstdatazone + 1) This would show free blocks one block less than the real when the total data blocks are in "full zmap blocks plus one". This patch corrects that zmap blocks calculation and tidy a printk message while at it. Signed-off-by: Qi Yong <qiyong@fc-cn.com> Cc: Josh Boyer <jwboyer@redhat.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>