Add limited temporary write access to fs.

Signed-off-by: Casey Dwyer <caseydwyer@gmail.com>
Add w+ support.

Signed-off-by: Casey Dwyer <caseydwyer@gmail.com>
Add set_rootref function to bs.

Signed-off-by: Casey Dwyer <caseydwyer@gmail.com>
Modify attributes schema.

Signed-off-by: Casey Dwyer <caseydwyer@gmail.com>
Change attr_by_path to get_attr.

Signed-off-by: Casey Dwyer <caseydwyer@gmail.com>
Cleanup set_attr, fix bugs.

Signed-off-by: Casey Dwyer <caseydwyer@gmail.com>
Handle file creation.

Signed-off-by: Casey Dwyer <caseydwyer@gmail.com>
Fixed truncate.

Signed-off-by: Casey Dwyer <caseydwyer@gmail.com>
Fixed bug that causes rebuilding tree from subdirectory to fail.

Signed-off-by: Casey Dwyer <caseydwyer@gmail.com>
Implement unlink.

Signed-off-by: Casey Dwyer <caseydwyer@gmail.com>
Remove cruft from fs.

Signed-off-by: Casey Dwyer <caseydwyer@gmail.com>
Don't bother with st_nlink for now.

Signed-off-by: Casey Dwyer <caseydwyer@gmail.com>
Implemented mkdir.

Signed-off-by: Casey Dwyer <caseydwyer@gmail.com>
Implement rename.

Signed-off-by: Casey Dwyer <caseydwyer@gmail.com>
Implement rmdir.

Signed-off-by: Casey Dwyer <caseydwyer@gmail.com>
Implement symlink.

Signed-off-by: Casey Dwyer <caseydwyer@gmail.com>