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| author | Chris Mason <chris.mason@oracle.com> | 2007-12-11 09:25:06 -0500 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:03:58 -0400 |
| commit | 7bb86316c3961d1bc401ef184fd996f999556c7f (patch) | |
| tree | e67de3b594cf680f295010095a71ed7e825cb757 /fs/btrfs/file.c | |
| parent | 74493f7a59bfd4d1c7029c74ab2cd0e400612c6b (diff) | |
| download | lwn-7bb86316c3961d1bc401ef184fd996f999556c7f.tar.gz lwn-7bb86316c3961d1bc401ef184fd996f999556c7f.zip | |
Btrfs: Add back pointers from extents to the btree or file referencing them
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/file.c')
| -rw-r--r-- | fs/btrfs/file.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index b0d637787264..5b1f90f06e03 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -496,7 +496,10 @@ next_slot: sizeof(old)); if (disk_bytenr != 0) { ret = btrfs_inc_extent_ref(trans, root, - disk_bytenr, disk_num_bytes); + disk_bytenr, disk_num_bytes, + root->root_key.objectid, + trans->transid, + key.objectid, end); BUG_ON(ret); } } @@ -541,6 +544,14 @@ next_slot: u64 disk_bytenr = 0; u64 disk_num_bytes = 0; u64 extent_num_bytes = 0; + u64 root_gen; + + if (leaf != root->node) { + root_gen = + btrfs_header_generation(path->nodes[1]); + } else { + root_gen = btrfs_header_generation(leaf); + } if (found_extent) { disk_bytenr = btrfs_file_extent_disk_bytenr(leaf, @@ -562,8 +573,11 @@ next_slot: if (found_extent && disk_bytenr != 0) { inode->i_blocks -= extent_num_bytes >> 9; ret = btrfs_free_extent(trans, root, - disk_bytenr, - disk_num_bytes, 0); + disk_bytenr, + disk_num_bytes, + root->root_key.objectid, + root_gen, inode->i_ino, + key.offset, 0); } BUG_ON(ret); |