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ext3: Count journal as bsddf overhead in ext3_statfs

ext4 counts journal space as bsddf overhead, but ext3 does not.

For some reason when I patched ext4 I thought I should leave
ext3 alone, but frankly it makes more sense to fix it, I think.

Otherwise we get inconsistent behavior from ext3 under ext3.ko,
and ext3 under ext4.ko, which is not at all desirable...

This is testable by xfstests shared/289, though it will need
modification because it currently special-cases ext3.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
master
Eric Sandeen 8 years ago
committed by Jan Kara
parent
commit
2046fd1873
  1. 4
      fs/ext3/super.c

4
fs/ext3/super.c

@ -2825,6 +2825,10 @@ static int ext3_statfs (struct dentry * dentry, struct kstatfs * buf)
* bitmap, and an inode table.
*/
overhead += ngroups * (2 + sbi->s_itb_per_group);
/* Add the journal blocks as well */
overhead += sbi->s_journal->j_maxlen;
sbi->s_overhead_last = overhead;
smp_wmb();
sbi->s_blocks_last = le32_to_cpu(es->s_blocks_count);

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