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-rw-r--r--fs/ext4/ext4_common.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/ext4/ext4_common.c b/fs/ext4/ext4_common.c
index 81740f8c66..b745d8d450 100644
--- a/fs/ext4/ext4_common.c
+++ b/fs/ext4/ext4_common.c
@@ -1527,20 +1527,20 @@ static int ext4fs_blockgroup
long int blkno;
unsigned int blkoff, desc_per_blk;
int log2blksz = get_fs()->dev_desc->log2blksz;
+ int desc_size = get_fs()->gdsize;
- desc_per_blk = EXT2_BLOCK_SIZE(data) / sizeof(struct ext2_block_group);
+ desc_per_blk = EXT2_BLOCK_SIZE(data) / desc_size;
blkno = le32_to_cpu(data->sblock.first_data_block) + 1 +
group / desc_per_blk;
- blkoff = (group % desc_per_blk) * sizeof(struct ext2_block_group);
+ blkoff = (group % desc_per_blk) * desc_size;
debug("ext4fs read %d group descriptor (blkno %ld blkoff %u)\n",
group, blkno, blkoff);
return ext4fs_devread((lbaint_t)blkno <<
(LOG2_BLOCK_SIZE(data) - log2blksz),
- blkoff, sizeof(struct ext2_block_group),
- (char *)blkgrp);
+ blkoff, desc_size, (char *)blkgrp);
}
int ext4fs_read_inode(struct ext2_data *data, int ino, struct ext2_inode *inode)