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| author |   Eric Sandeen <sandeen@redhat.com> | 2012-12-25 13:56:01 -0500 |
|---|---|---|
| committer |   Theodore Ts'o <tytso@mit.edu> | 2012-12-25 13:56:01 -0500 |
| commit | 0875a2b448fcaba67010850cf9649293a5ef653d (patch) | |
| tree | 520abd528cf70057950c4d3f77c0af4e59da93cd /fs | |
| parent | ext4: remove unaligned AIO warning printk (diff) | |
| download | linux-dev-0875a2b448fcaba67010850cf9649293a5ef653d.tar.xz linux-dev-0875a2b448fcaba67010850cf9649293a5ef653d.zip | |
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: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Tested-by: Eric Whitney <enwlinux@gmail.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/super.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index e09f7d1646ba..4969167ac267 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -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); |