ocfs2: add extent block stealing for ocfs2 v5

This patch add extent block (metadata) stealing mechanism for
extent allocation. This mechanism is same as the inode stealing.
if no room in slot specific extent_alloc, we will try to
allocate extent block from the next slot.

Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
Acked-by: Tao Ma <tao.ma@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 28c3ec238796..765d66c70989 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -2439,7 +2439,7 @@ static int ocfs2_dx_dir_attach_index(struct ocfs2_super *osb,
         dx_root = (struct ocfs2_dx_root_block *)dx_root_bh->b_data;
         memset(dx_root, 0, osb->sb->s_blocksize);
         strcpy(dx_root->dr_signature, OCFS2_DX_ROOT_SIGNATURE);
-        dx_root->dr_suballoc_slot = cpu_to_le16(osb->slot_num);
+        dx_root->dr_suballoc_slot = cpu_to_le16(meta_ac->ac_alloc_slot);
         dx_root->dr_suballoc_bit = cpu_to_le16(dr_suballoc_bit);
         dx_root->dr_fs_generation = cpu_to_le32(osb->fs_generation);
         dx_root->dr_blkno = cpu_to_le64(dr_blkno);