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-rw-r--r--fs/ext4/ialloc.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 26154b81b836..4facdd29a350 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -697,6 +697,15 @@ got_group:
if (!gdp)
goto fail;
+ /*
+ * Check free inodes count before loading bitmap.
+ */
+ if (ext4_free_inodes_count(sb, gdp) == 0) {
+ if (++group == ngroups)
+ group = 0;
+ continue;
+ }
+
brelse(inode_bitmap_bh);
inode_bitmap_bh = ext4_read_inode_bitmap(sb, group);
if (!inode_bitmap_bh)
@@ -753,9 +762,7 @@ got:
ext4_free_group_clusters_set(sb, gdp,
ext4_free_clusters_after_init(sb, group, gdp));
ext4_block_bitmap_csum_set(sb, group, gdp,
- block_bitmap_bh,
- EXT4_BLOCKS_PER_GROUP(sb) /
- 8);
+ block_bitmap_bh);
ext4_group_desc_csum_set(sb, group, gdp);
}
ext4_unlock_group(sb, group);