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| author | Eric Sandeen <sandeen@redhat.com> | 2008-01-28 23:58:27 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2008-01-28 23:58:27 -0500 |
| commit | e2b4657453c0d5571bd3c7256585c486ed42d364 (patch) | |
| tree | 5b8ab501cdf5fa7427ef32440ace56eac72e9ecf /fs/ext4/super.c | |
| parent | 19295529db35381d46dbaf246f69b4e3b3393996 (diff) | |
| download | linux-e2b4657453c0d5571bd3c7256585c486ed42d364.tar.gz linux-e2b4657453c0d5571bd3c7256585c486ed42d364.tar.bz2 linux-e2b4657453c0d5571bd3c7256585c486ed42d364.zip | |
ext4: store maxbytes for bitmapped files and return EFBIG as appropriate
Calculate & store the max offset for bitmapped files, and
catch too-large seeks, truncates, and writes in ext4, shortening
or rejecting as appropriate.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Diffstat (limited to 'fs/ext4/super.c')
| -rw-r--r-- | fs/ext4/super.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index c79e46b7f159..0931831537a2 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1922,6 +1922,7 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent) } } + sbi->s_bitmap_maxbytes = ext4_max_bitmap_size(sb->s_blocksize_bits); sb->s_maxbytes = ext4_max_size(sb->s_blocksize_bits); if (le32_to_cpu(es->s_rev_level) == EXT4_GOOD_OLD_REV) { |