btrfs-progs: remove unused function wait_on_tree_block_writeback

This used to be a kernel stub but has been removed from kernel long time
ago.

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/ctree.c b/ctree.c
index 551d9dc..02c7180 100644 (file)
--- a/ctree.c
+++ b/ctree.c
@@ -701,7 +701,6 @@ static int balance_level(struct btrfs_trans_handle *trans,
                add_root_to_dirty_list(root);
                path->nodes[level] = NULL;
                clean_tree_block(trans, root, mid);
-               wait_on_tree_block_writeback(root, mid);
                /* once for the path */
                free_extent_buffer(mid);
 
@@ -755,7 +754,6 @@ static int balance_level(struct btrfs_trans_handle *trans,
                        u32 blocksize = right->len;
 
                        clean_tree_block(trans, root, right);
-                       wait_on_tree_block_writeback(root, right);
                        free_extent_buffer(right);
                        right = NULL;
                        wret = btrfs_del_ptr(root, path, level + 1, pslot + 1);
@@ -802,7 +800,6 @@ static int balance_level(struct btrfs_trans_handle *trans,
                u64 bytenr = mid->start;
                u32 blocksize = mid->len;
                clean_tree_block(trans, root, mid);
-               wait_on_tree_block_writeback(root, mid);
                free_extent_buffer(mid);
                mid = NULL;
                wret = btrfs_del_ptr(root, path, level + 1, pslot);
@@ -2710,8 +2707,6 @@ int btrfs_del_items(struct btrfs_trans_handle *trans, struct btrfs_root *root,
                        btrfs_set_header_level(leaf, 0);
                } else {
                        clean_tree_block(trans, root, leaf);
-                       wait_on_tree_block_writeback(root, leaf);
-
                        wret = btrfs_del_leaf(trans, root, path, leaf);
                        BUG_ON(ret);
                        if (wret)
@@ -2748,8 +2743,6 @@ int btrfs_del_items(struct btrfs_trans_handle *trans, struct btrfs_root *root,
 
                        if (btrfs_header_nritems(leaf) == 0) {
                                clean_tree_block(trans, root, leaf);
-                               wait_on_tree_block_writeback(root, leaf);
-
                                path->slots[1] = slot;
                                ret = btrfs_del_leaf(trans, root, path, leaf);
                                BUG_ON(ret);

diff --git a/disk-io.c b/disk-io.c
index 0fcc758..be6e28a 100644 (file)
--- a/disk-io.c
+++ b/disk-io.c
@@ -1827,12 +1827,6 @@ int clean_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root,
        return clear_extent_buffer_dirty(eb);
 }
 
-int wait_on_tree_block_writeback(struct btrfs_root *root,
-                                struct extent_buffer *eb)
-{
-       return 0;
-}
-
 void btrfs_mark_buffer_dirty(struct extent_buffer *eb)
 {
        set_extent_buffer_dirty(eb);

diff --git a/disk-io.h b/disk-io.h
index e257714..cd4fe92 100644 (file)
--- a/disk-io.h
+++ b/disk-io.h
@@ -186,8 +186,6 @@ int btrfs_free_fs_root(struct btrfs_root *root);
 void btrfs_mark_buffer_dirty(struct extent_buffer *buf);
 int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid);
 int btrfs_set_buffer_uptodate(struct extent_buffer *buf);
-int wait_on_tree_block_writeback(struct btrfs_root *root,
-                                struct extent_buffer *buf);
 u32 btrfs_csum_data(char *data, u32 seed, size_t len);
 void btrfs_csum_final(u32 crc, u8 *result);