tree 48bf013e6dae70a848ad0f501f60855e8d77929d
parent aa5475760235672f316fbf29cdfb82a75016dbdf
author Matthew Wilcox <willy@linux.intel.com> 1463788928 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1463792310 -0700

radix-tree: introduce radix_tree_load_root()

All the tree walking functions start with some variant of this code;
centralise it in one place so we're not chasing subtly different bugs
everywhere.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Kirill Shutemov <kirill.shutemov@linux.intel.com>
Cc: Jan Kara <jack@suse.com>
Cc: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>