tree 113aaf6843522a2d7d80c3ee4bb633a860b615f6
parent f978f5a0616d18f303d9c8f51c293a03bc09dbaf
author Jaegeuk Kim <jaegeuk.kim@samsung.com> 1392960575 +0900
committer Jaegeuk Kim <jaegeuk.kim@samsung.com> 1393225241 +0900

f2fs: introduce a radix_tree for the free_nid list

This patch introduces a radix tree for the list of free_nids, which enhances
the performance on free nid management.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>