Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 0875a2b4 authored by Eric Sandeen's avatar Eric Sandeen Committed by Theodore Ts'o
Browse files

ext4: include journal blocks in df overhead calcs 



To more accurately calculate overhead for "bsd" style
df reporting, we should count the journal blocks as
overhead as well.

Signed-off-by: default avatarEric Sandeen <sandeen@redhat.com>
Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
Tested-by: default avatarEric Whitney <enwlinux@gmail.com>
parent a28a9178

fs/ext4/super.c

+4 −0
Original line number Diff line number Diff line
@@ -3231,6 +3231,10 @@ int ext4_calculate_overhead(struct super_block *sb) 
			memset(buf, 0, PAGE_SIZE);

		cond_resched();

	}

	/* Add the journal blocks as well */

	if (sbi->s_journal)

		overhead += EXT4_B2C(sbi, sbi->s_journal->j_maxlen);



	sbi->s_overhead = overhead;

	smp_wmb();

	free_page((unsigned long) buf);