Merge branch 'discontig-bg' of git://oss.oracle.com/git/tma/linux-2.6 into ocfs2-merge-window

1 files changed, 15 insertions, 8 deletions

diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index 6fab28921f3d..52e4f6ee1e23 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -571,7 +571,7 @@ static int ocfs2_create_refcount_tree(struct inode *inode,
         struct ocfs2_refcount_tree *new_tree = NULL, *tree = NULL;
         u16 suballoc_bit_start;
         u32 num_got;
-        u64 first_blkno;
+        u64 suballoc_loc, first_blkno;
 
         BUG_ON(oi->ip_dyn_features & OCFS2_HAS_REFCOUNT_FL);
 
@@ -597,7 +597,7 @@ static int ocfs2_create_refcount_tree(struct inode *inode,
                 goto out_commit;
         }
 
-        ret = ocfs2_claim_metadata(osb, handle, meta_ac, 1,
+        ret = ocfs2_claim_metadata(handle, meta_ac, 1, &suballoc_loc,
                                    &suballoc_bit_start, &num_got,
                                    &first_blkno);
         if (ret) {
@@ -627,6 +627,7 @@ static int ocfs2_create_refcount_tree(struct inode *inode,
         memset(rb, 0, inode->i_sb->s_blocksize);
         strcpy((void *)rb, OCFS2_REFCOUNT_BLOCK_SIGNATURE);
         rb->rf_suballoc_slot = cpu_to_le16(meta_ac->ac_alloc_slot);
+        rb->rf_suballoc_loc = cpu_to_le64(suballoc_loc);
         rb->rf_suballoc_bit = cpu_to_le16(suballoc_bit_start);
         rb->rf_fs_generation = cpu_to_le32(osb->fs_generation);
         rb->rf_blkno = cpu_to_le64(first_blkno);
@@ -791,7 +792,10 @@ int ocfs2_remove_refcount_tree(struct inode *inode, struct buffer_head *di_bh)
         if (le32_to_cpu(rb->rf_count) == 1) {
                 blk = le64_to_cpu(rb->rf_blkno);
                 bit = le16_to_cpu(rb->rf_suballoc_bit);
-                bg_blkno = ocfs2_which_suballoc_group(blk, bit);
+                if (rb->rf_suballoc_loc)
+                        bg_blkno = le64_to_cpu(rb->rf_suballoc_loc);
+                else
+                        bg_blkno = ocfs2_which_suballoc_group(blk, bit);
 
                 alloc_inode = ocfs2_get_system_file_inode(osb,
                                         EXTENT_ALLOC_SYSTEM_INODE,
@@ -1283,7 +1287,7 @@ static int ocfs2_expand_inline_ref_root(handle_t *handle,
         int ret;
         u16 suballoc_bit_start;
         u32 num_got;
-        u64 blkno;
+        u64 suballoc_loc, blkno;
         struct super_block *sb = ocfs2_metadata_cache_get_super(ci);
         struct buffer_head *new_bh = NULL;
         struct ocfs2_refcount_block *new_rb;
@@ -1297,7 +1301,7 @@ static int ocfs2_expand_inline_ref_root(handle_t *handle,
                 goto out;
         }
 
-        ret = ocfs2_claim_metadata(OCFS2_SB(sb), handle, meta_ac, 1,
+        ret = ocfs2_claim_metadata(handle, meta_ac, 1, &suballoc_loc,
                                    &suballoc_bit_start, &num_got,
                                    &blkno);
         if (ret) {
@@ -1329,6 +1333,7 @@ static int ocfs2_expand_inline_ref_root(handle_t *handle,
 
         new_rb = (struct ocfs2_refcount_block *)new_bh->b_data;
         new_rb->rf_suballoc_slot = cpu_to_le16(meta_ac->ac_alloc_slot);
+        new_rb->rf_suballoc_loc = cpu_to_le64(suballoc_loc);
         new_rb->rf_suballoc_bit = cpu_to_le16(suballoc_bit_start);
         new_rb->rf_blkno = cpu_to_le64(blkno);
         new_rb->rf_cpos = cpu_to_le32(0);
@@ -1523,7 +1528,7 @@ static int ocfs2_new_leaf_refcount_block(handle_t *handle,
         int ret;
         u16 suballoc_bit_start;
         u32 num_got, new_cpos;
-        u64 blkno;
+        u64 suballoc_loc, blkno;
         struct super_block *sb = ocfs2_metadata_cache_get_super(ci);
         struct ocfs2_refcount_block *root_rb =
                         (struct ocfs2_refcount_block *)ref_root_bh->b_data;
@@ -1547,7 +1552,7 @@ static int ocfs2_new_leaf_refcount_block(handle_t *handle,
                 goto out;
         }
 
-        ret = ocfs2_claim_metadata(OCFS2_SB(sb), handle, meta_ac, 1,
+        ret = ocfs2_claim_metadata(handle, meta_ac, 1, &suballoc_loc,
                                    &suballoc_bit_start, &num_got,
                                    &blkno);
         if (ret) {
@@ -1575,6 +1580,7 @@ static int ocfs2_new_leaf_refcount_block(handle_t *handle,
         memset(new_rb, 0, sb->s_blocksize);
         strcpy((void *)new_rb, OCFS2_REFCOUNT_BLOCK_SIGNATURE);
         new_rb->rf_suballoc_slot = cpu_to_le16(meta_ac->ac_alloc_slot);
+        new_rb->rf_suballoc_loc = cpu_to_le64(suballoc_loc);
         new_rb->rf_suballoc_bit = cpu_to_le16(suballoc_bit_start);
         new_rb->rf_fs_generation = cpu_to_le32(OCFS2_SB(sb)->fs_generation);
         new_rb->rf_blkno = cpu_to_le64(blkno);
@@ -2105,6 +2111,7 @@ static int ocfs2_remove_refcount_extent(handle_t *handle,
          */
         ret = ocfs2_cache_block_dealloc(dealloc, EXTENT_ALLOC_SYSTEM_INODE,
                                         le16_to_cpu(rb->rf_suballoc_slot),
+                                        le64_to_cpu(rb->rf_suballoc_loc),
                                         le64_to_cpu(rb->rf_blkno),
                                         le16_to_cpu(rb->rf_suballoc_bit));
         if (ret) {
@@ -3262,7 +3269,7 @@ static int ocfs2_make_clusters_writable(struct super_block *sb,
                 } else {
                         delete = 1;
 
-                        ret = __ocfs2_claim_clusters(osb, handle,
+                        ret = __ocfs2_claim_clusters(handle,
                                                      context->data_ac,
                                                      1, set_len,
                                                      &new_bit, &new_len);