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https://github.com/kdave/btrfs-progs
synced 2024-12-24 23:22:27 +00:00
btrfs-debug-tree: add -d option to print only the device mapping
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
parent
0f49c426fb
commit
1b444cd2e6
31
debug-tree.c
31
debug-tree.c
@ -116,6 +116,7 @@ int main(int ac, char **av)
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int ret;
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int slot;
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int extent_only = 0;
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int device_only = 0;
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u64 block_only = 0;
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struct btrfs_root *tree_root_scan;
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@ -123,13 +124,16 @@ int main(int ac, char **av)
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while(1) {
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int c;
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c = getopt(ac, av, "eb:");
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c = getopt(ac, av, "deb:");
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if (c < 0)
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break;
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switch(c) {
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case 'e':
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extent_only = 1;
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break;
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case 'd':
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device_only = 1;
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break;
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case 'b':
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block_only = atoll(optarg);
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break;
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@ -202,7 +206,7 @@ again:
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if (btrfs_key_type(&found_key) == BTRFS_ROOT_ITEM_KEY) {
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unsigned long offset;
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struct extent_buffer *buf;
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int skip = extent_only;
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int skip = extent_only | device_only;
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offset = btrfs_item_ptr_offset(leaf, slot);
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read_extent_buffer(leaf, &ri, offset, sizeof(ri));
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@ -215,8 +219,9 @@ again:
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printf("root");
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break;
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case BTRFS_EXTENT_TREE_OBJECTID:
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skip = 0;
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if (!extent_only)
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if (!device_only)
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skip = 0;
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if (!extent_only && !device_only)
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printf("extent");
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break;
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case BTRFS_CHUNK_TREE_OBJECTID:
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@ -225,9 +230,8 @@ again:
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}
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break;
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case BTRFS_DEV_TREE_OBJECTID:
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if (!skip) {
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printf("device");
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}
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skip = 0;
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printf("device");
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break;
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case BTRFS_FS_TREE_OBJECTID:
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if (!skip) {
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@ -235,9 +239,8 @@ again:
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}
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break;
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case BTRFS_ROOT_TREE_DIR_OBJECTID:
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if (!skip) {
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printf("directory");
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}
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skip = 0;
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printf("directory");
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break;
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case BTRFS_CSUM_TREE_OBJECTID:
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if (!skip) {
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@ -283,13 +286,13 @@ again:
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printf("file");
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}
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}
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if (!skip && !extent_only) {
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if (extent_only && !skip) {
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print_extents(tree_root_scan, buf);
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} else if (!skip) {
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printf(" tree ");
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btrfs_print_key(&disk_key);
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printf(" \n");
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btrfs_print_tree(tree_root_scan, buf, 1);
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} else if (extent_only && !skip) {
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print_extents(tree_root_scan, buf);
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}
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}
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path.slots[0]++;
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@ -302,7 +305,7 @@ again:
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goto again;
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}
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if (extent_only)
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if (extent_only || device_only)
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return 0;
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printf("total bytes %llu\n",
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