ext3: use ext3_get_group_desc()
Use ext3_get_group_desc()
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index c683609..e2acbc7 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -2454,11 +2454,10 @@
static ext3_fsblk_t ext3_get_inode_block(struct super_block *sb,
unsigned long ino, struct ext3_iloc *iloc)
{
- unsigned long desc, group_desc, block_group;
+ unsigned long block_group;
unsigned long offset;
ext3_fsblk_t block;
- struct buffer_head *bh;
- struct ext3_group_desc * gdp;
+ struct ext3_group_desc *gdp;
if (!ext3_valid_inum(sb, ino)) {
/*
@@ -2470,27 +2469,15 @@
}
block_group = (ino - 1) / EXT3_INODES_PER_GROUP(sb);
- if (block_group >= EXT3_SB(sb)->s_groups_count) {
- ext3_error(sb,"ext3_get_inode_block","group >= groups count");
+ gdp = ext3_get_group_desc(sb, block_group, NULL);
+ if (!gdp)
return 0;
- }
- smp_rmb();
- group_desc = block_group >> EXT3_DESC_PER_BLOCK_BITS(sb);
- desc = block_group & (EXT3_DESC_PER_BLOCK(sb) - 1);
- bh = EXT3_SB(sb)->s_group_desc[group_desc];
- if (!bh) {
- ext3_error (sb, "ext3_get_inode_block",
- "Descriptor not loaded");
- return 0;
- }
-
- gdp = (struct ext3_group_desc *)bh->b_data;
/*
* Figure out the offset within the block group inode table
*/
offset = ((ino - 1) % EXT3_INODES_PER_GROUP(sb)) *
EXT3_INODE_SIZE(sb);
- block = le32_to_cpu(gdp[desc].bg_inode_table) +
+ block = le32_to_cpu(gdp->bg_inode_table) +
(offset >> EXT3_BLOCK_SIZE_BITS(sb));
iloc->block_group = block_group;