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authorEric Sandeen <sandeen@redhat.com>2008-01-28 23:58:27 -0500
committerTheodore Ts'o <tytso@mit.edu>2008-01-28 23:58:27 -0500
commite2b4657453c0d5571bd3c7256585c486ed42d364 (patch)
tree5b8ab501cdf5fa7427ef32440ace56eac72e9ecf /include/linux
parent19295529db35381d46dbaf246f69b4e3b3393996 (diff)
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 'include/linux')
-rw-r--r--include/linux/ext4_fs_sb.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/ext4_fs_sb.h b/include/linux/ext4_fs_sb.h
index f15821c5e4c4..38a47ec06df9 100644
--- a/include/linux/ext4_fs_sb.h
+++ b/include/linux/ext4_fs_sb.h
@@ -38,6 +38,7 @@ struct ext4_sb_info {
ext4_group_t s_groups_count; /* Number of groups in the fs */
unsigned long s_overhead_last; /* Last calculated overhead */
unsigned long s_blocks_last; /* Last seen block count */
+ loff_t s_bitmap_maxbytes; /* max bytes for bitmap files */
struct buffer_head * s_sbh; /* Buffer containing the super block */
struct ext4_super_block * s_es; /* Pointer to the super block in the buffer */
struct buffer_head ** s_group_desc;