tree 527fda78fcfcd4a879766e3c38cf8041fc10f1e8
parent 04859dba50e6cd85c5d683d06010c5eafb27c893
author Chao Yu <chao2.yu@samsung.com> 1408531006 +0800
committer Jaegeuk Kim <jaegeuk@kernel.org> 1408654626 -0700

f2fs: fix incorrect calculation with total/free inode num

Theoretically, our total inodes number is the same as total node number, but
there are three node ids are reserved in f2fs, they are 0, 1 (node nid), and 2
(meta nid), and they should never be used by user, so our total/free inode
number calculated in ->statfs is wrong.

This patch indroduces F2FS_RESERVED_NODE_NUM and then fixes this issue by
recalculating total/free inode number with the macro.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>