btrfs-progs: convert: Fix inline file extent creation condition
[platform/upstream/btrfs-progs.git] / cmds-inspect-dump-tree.c
index 6c6c0e5..0802b31 100644 (file)
@@ -31,7 +31,6 @@
 #include "volumes.h"
 #include "commands.h"
 #include "utils.h"
-#include "cmds-inspect-dump-tree.h"
 #include "help.h"
 
 static void print_extents(struct btrfs_root *root, struct extent_buffer *eb)
@@ -39,7 +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;
@@ -49,11 +47,11 @@ static void print_extents(struct btrfs_root *root, struct extent_buffer *eb)
                return;
        }
 
-       size = root->nodesize;
        nr = btrfs_header_nritems(eb);
        for (i = 0; i < nr; i++) {
-               next = read_tree_block(root, btrfs_node_blockptr(eb, i),
-                               size, btrfs_node_ptr_generation(eb, i));
+               next = read_tree_block(root->fs_info,
+                               btrfs_node_blockptr(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 },
@@ -200,6 +198,7 @@ const char * const cmd_inspect_dump_tree_usage[] = {
        "-u|--uuid              print only the uuid tree",
        "-b|--block <block_num> print info from the specified block only",
        "-t|--tree <tree_id>    print only tree with the given id (string or number)",
+       "--follow               use with -b, to show all children tree blocks of <block_num>",
        NULL
 };
 
@@ -221,12 +220,15 @@ int cmd_inspect_dump_tree(int argc, char **argv)
        int uuid_tree_only = 0;
        int roots_only = 0;
        int root_backups = 0;
+       unsigned open_ctree_flags = OPEN_CTREE_FS_PARTIAL;
        u64 block_only = 0;
        struct btrfs_root *tree_root_scan;
        u64 tree_id = 0;
+       bool follow = false;
 
        while (1) {
                int c;
+               enum { GETOPT_VAL_FOLLOW = 256 };
                static const struct option long_options[] = {
                        { "extents", no_argument, NULL, 'e'},
                        { "device", no_argument, NULL, 'd'},
@@ -235,6 +237,7 @@ int cmd_inspect_dump_tree(int argc, char **argv)
                        { "uuid", no_argument, NULL, 'u'},
                        { "block", required_argument, NULL, 'b'},
                        { "tree", required_argument, NULL, 't'},
+                       { "follow", no_argument, NULL, GETOPT_VAL_FOLLOW },
                        { NULL, 0, NULL, 0 }
                };
 
@@ -259,6 +262,11 @@ int cmd_inspect_dump_tree(int argc, char **argv)
                        root_backups = 1;
                        break;
                case 'b':
+                       /*
+                        * If only showing one block, no need to fill roots
+                        * other than chunk root
+                        */
+                       open_ctree_flags |= __OPEN_CTREE_RETURN_CHUNK_ROOT;
                        block_only = arg_strtou64(optarg);
                        break;
                case 't': {
@@ -282,6 +290,9 @@ int cmd_inspect_dump_tree(int argc, char **argv)
                        }
                        break;
                        }
+               case GETOPT_VAL_FOLLOW:
+                       follow = true;
+                       break;
                default:
                        usage(cmd_inspect_dump_tree_usage);
                }
@@ -298,44 +309,39 @@ int cmd_inspect_dump_tree(int argc, char **argv)
 
        printf("%s\n", PACKAGE_STRING);
 
-       info = open_ctree_fs_info(argv[optind], 0, 0, 0, OPEN_CTREE_PARTIAL);
+       info = open_ctree_fs_info(argv[optind], 0, 0, 0, open_ctree_flags);
        if (!info) {
                error("unable to open %s", argv[optind]);
                goto out;
        }
 
-       root = info->fs_root;
-       if (!root) {
-               error("unable to open %s", argv[optind]);
-               goto out;
-       }
-
        if (block_only) {
-               leaf = read_tree_block(root,
-                                     block_only,
-                                     root->nodesize, 0);
-
+               root = info->chunk_root;
+               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(root,
-                                             block_only,
-                                             root->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);
                        goto close_root;
                }
-               btrfs_print_tree(root, leaf, 0);
+               btrfs_print_tree(root, leaf, follow);
                free_extent_buffer(leaf);
                goto close_root;
        }
 
+       root = info->fs_root;
+       if (!root) {
+               error("unable to open %s", argv[optind]);
+               goto out;
+       }
+
        if (!(extent_only || uuid_tree_only || tree_id)) {
                if (roots_only) {
                        printf("root tree: %llu level %d\n",
@@ -344,6 +350,11 @@ int cmd_inspect_dump_tree(int argc, char **argv)
                        printf("chunk tree: %llu level %d\n",
                             (unsigned long long)info->chunk_root->node->start,
                             btrfs_header_level(info->chunk_root->node));
+                       if (info->log_root_tree)
+                               printf("log root tree: %llu level %d\n",
+                                      info->log_root_tree->node->start,
+                                       btrfs_header_level(
+                                               info->log_root_tree->node));
                } else {
                        if (info->tree_root->node) {
                                printf("root tree\n");
@@ -356,6 +367,12 @@ int cmd_inspect_dump_tree(int argc, char **argv)
                                btrfs_print_tree(info->chunk_root,
                                                 info->chunk_root->node, 1);
                        }
+
+                       if (info->log_root_tree) {
+                               printf("log root tree\n");
+                               btrfs_print_tree(info->log_root_tree,
+                                               info->log_root_tree->node, 1);
+                       }
                }
        }
        tree_root_scan = info->tree_root;
@@ -371,21 +388,32 @@ again:
        if (tree_id && tree_id == BTRFS_ROOT_TREE_OBJECTID) {
                if (!info->tree_root->node) {
                        error("cannot print root tree, invalid pointer");
-                       goto no_node;
+                       goto close_root;
                }
                printf("root tree\n");
                btrfs_print_tree(info->tree_root, info->tree_root->node, 1);
-               goto no_node;
+               goto close_root;
        }
 
        if (tree_id && tree_id == BTRFS_CHUNK_TREE_OBJECTID) {
                if (!info->chunk_root->node) {
                        error("cannot print chunk tree, invalid pointer");
-                       goto no_node;
+                       goto close_root;
                }
                printf("chunk tree\n");
                btrfs_print_tree(info->chunk_root, info->chunk_root->node, 1);
-               goto no_node;
+               goto close_root;
+       }
+
+       if (tree_id && tree_id == BTRFS_TREE_LOG_OBJECTID) {
+               if (!info->log_root_tree) {
+                       error("cannot print log root tree, invalid pointer");
+                       goto close_root;
+               }
+               printf("log root tree\n");
+               btrfs_print_tree(info->log_root_tree, info->log_root_tree->node,
+                                1);
+               goto close_root;
        }
 
        key.offset = 0;
@@ -417,10 +445,7 @@ again:
 
                        offset = btrfs_item_ptr_offset(leaf, slot);
                        read_extent_buffer(leaf, &ri, offset, sizeof(ri));
-                       buf = read_tree_block(tree_root_scan,
-                                             btrfs_root_bytenr(&ri),
-                                             tree_root_scan->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) {