btrfs-progs: check/lowmem: Fix false alert of data extent backref lost for snapshot

[platform/upstream/btrfs-progs.git] / cmds-inspect-dump-tree.c

diff --git a/cmds-inspect-dump-tree.c b/cmds-inspect-dump-tree.c
index 8ff638f..df44bb6 100644 (file)
--- a/cmds-inspect-dump-tree.c
+++ b/cmds-inspect-dump-tree.c
@@ -38,7 +38,6 @@ static void print_extents(struct btrfs_root *root, struct extent_buffer *eb)
        struct extent_buffer *next;
        int i;
        u32 nr;
-       u32 size;
 
        if (!eb)
                return;
@@ -48,12 +47,11 @@ static void print_extents(struct btrfs_root *root, struct extent_buffer *eb)
                return;
        }
 
-       size = root->fs_info->nodesize;
        nr = btrfs_header_nritems(eb);
        for (i = 0; i < nr; i++) {
                next = read_tree_block(root->fs_info,
                                btrfs_node_blockptr(eb, i),
-                               size, btrfs_node_ptr_generation(eb, i));
+                               btrfs_node_ptr_generation(eb, i));
                if (!extent_buffer_uptodate(next))
                        continue;
                if (btrfs_is_leaf(next) && btrfs_header_level(eb) != 1) {
@@ -145,7 +143,7 @@ static u64 treeid_from_string(const char *str, const char **end)
                { "CHUNK", BTRFS_CHUNK_TREE_OBJECTID },
                { "DEVICE", BTRFS_DEV_TREE_OBJECTID },
                { "DEV", BTRFS_DEV_TREE_OBJECTID },
-               { "FS_TREE", BTRFS_FS_TREE_OBJECTID },
+               { "FS", BTRFS_FS_TREE_OBJECTID },
                { "CSUM", BTRFS_CSUM_TREE_OBJECTID },
                { "CHECKSUM", BTRFS_CSUM_TREE_OBJECTID },
                { "QUOTA", BTRFS_QUOTA_TREE_OBJECTID },
@@ -312,21 +310,15 @@ int cmd_inspect_dump_tree(int argc, char **argv)
 
        if (block_only) {
                root = info->chunk_root;
-               leaf = read_tree_block(info,
-                                     block_only,
-                                     info->nodesize, 0);
-
+               leaf = read_tree_block(info, block_only, 0);
                if (extent_buffer_uptodate(leaf) &&
                    btrfs_header_level(leaf) != 0) {
                        free_extent_buffer(leaf);
                        leaf = NULL;
                }
 
-               if (!leaf) {
-                       leaf = read_tree_block(info,
-                                             block_only,
-                                             info->nodesize, 0);
-               }
+               if (!leaf)
+                       leaf = read_tree_block(info, block_only, 0);
                if (!extent_buffer_uptodate(leaf)) {
                        error("failed to read %llu",
                                (unsigned long long)block_only);
@@ -446,8 +438,7 @@ again:
 
                        offset = btrfs_item_ptr_offset(leaf, slot);
                        read_extent_buffer(leaf, &ri, offset, sizeof(ri));
-                       buf = read_tree_block(info, btrfs_root_bytenr(&ri),
-                                             info->nodesize, 0);
+                       buf = read_tree_block(info, btrfs_root_bytenr(&ri), 0);
                        if (!extent_buffer_uptodate(buf))
                                goto next;
                        if (tree_id && found_key.objectid != tree_id) {