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authorLinus Torvalds <torvalds@linux-foundation.org>2008-06-21 16:43:56 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-06-21 16:43:56 -0700
commit62a8efe632be1815b544845db643f1fcd9afcfb0 (patch)
treeae7802a595f9618c164df22e0d997ee537e2f0ca /fs
parentbec95aab8c056ab490fe7fa54da822938562443d (diff)
parent2856922c158605514ec5974a03097eaec91f4c0d (diff)
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: Ext4: Fix online resize block group descriptor corruption
Diffstat (limited to 'fs')
-rw-r--r--fs/ext4/resize.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 9ecb92f6854..9ff7b1c0423 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -855,7 +855,8 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
*/
/* Update group descriptor block for new group */
- gdp = (struct ext4_group_desc *)primary->b_data + gdb_off;
+ gdp = (struct ext4_group_desc *)((char *)primary->b_data +
+ gdb_off * EXT4_DESC_SIZE(sb));
ext4_block_bitmap_set(sb, gdp, input->block_bitmap); /* LV FIXME */
ext4_inode_bitmap_set(sb, gdp, input->inode_bitmap); /* LV FIXME */