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| author | Mark Fasheh <mfasheh@suse.com> | 2012-06-07 16:00:54 -0700 |
|---|---|---|
| committer | David Sterba <dsterba@suse.cz> | 2013-01-31 22:29:13 +0100 |
| commit | 905b078928fbbc6377edb1aabb9b9f3c8e0d8a9f (patch) | |
| tree | a8a7e930929b1cb8664b9f29daee25177e5d2816 /print-tree.c | |
| parent | 73355a60aab71a0b7a986b105d74d98d4f592e61 (diff) | |
| download | btrfs-progs-905b078928fbbc6377edb1aabb9b9f3c8e0d8a9f.tar.gz | |
btrfs-progs: Basic support for extended inode refs
This patch syncs the extended inode ref definitions from kernels ctree.h and
adds support in btrfs-debug-tree for visualizing the state of extended refs
on disk.
Signed-off-by: Mark Fasheh <mfasheh@suse.de>
Diffstat (limited to 'print-tree.c')
| -rw-r--r-- | print-tree.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/print-tree.c b/print-tree.c index e70e7f7..5739e19 100644 --- a/print-tree.c +++ b/print-tree.c @@ -61,6 +61,42 @@ static int print_dir_item(struct extent_buffer *eb, struct btrfs_item *item, return 0; } +static int print_inode_extref_item(struct extent_buffer *eb, + struct btrfs_item *item, + struct btrfs_inode_extref *extref) +{ + u32 total; + u32 cur = 0; + u32 len; + u32 name_len = 0; + u64 index = 0; + u64 parent_objid; + char namebuf[BTRFS_NAME_LEN]; + + total = btrfs_item_size(eb, item); + + while (cur < total) { + index = btrfs_inode_extref_index(eb, extref); + name_len = btrfs_inode_extref_name_len(eb, extref); + parent_objid = btrfs_inode_extref_parent(eb, extref); + + len = (name_len <= sizeof(namebuf))? name_len: sizeof(namebuf); + + read_extent_buffer(eb, namebuf, (unsigned long)(extref->name), len); + + printf("\t\tinode extref index %llu parent %llu namelen %u " + "name: %.*s\n", + (unsigned long long)index, + (unsigned long long)parent_objid, + name_len, len, namebuf); + + len = sizeof(*extref) + name_len; + extref = (struct btrfs_inode_extref *)((char *)extref + len); + cur += len; + } + return 0; +} + static int print_inode_ref_item(struct extent_buffer *eb, struct btrfs_item *item, struct btrfs_inode_ref *ref) { @@ -371,6 +407,9 @@ static void print_key_type(u64 objectid, u8 type) case BTRFS_INODE_REF_KEY: printf("INODE_REF"); break; + case BTRFS_INODE_EXTREF_KEY: + printf("INODE_EXTREF"); + break; case BTRFS_DIR_ITEM_KEY: printf("DIR_ITEM"); break; @@ -582,6 +621,7 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) struct btrfs_extent_data_ref *dref; struct btrfs_shared_data_ref *sref; struct btrfs_inode_ref *iref; + struct btrfs_inode_extref *iref2; struct btrfs_dev_extent *dev_extent; struct btrfs_disk_key disk_key; struct btrfs_block_group_item bg_item; @@ -629,6 +669,10 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) iref = btrfs_item_ptr(l, i, struct btrfs_inode_ref); print_inode_ref_item(l, item, iref); break; + case BTRFS_INODE_EXTREF_KEY: + iref2 = btrfs_item_ptr(l, i, struct btrfs_inode_extref); + print_inode_extref_item(l, item, iref2); + break; case BTRFS_DIR_ITEM_KEY: case BTRFS_DIR_INDEX_KEY: case BTRFS_XATTR_ITEM_KEY: |