f2fs: introduce help macro ADDRS_PER_PAGE()

Introduce help macro ADDRS_PER_PAGE() to get the number of address pointers in
direct node or inode.

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

1 files changed, 1 insertions, 4 deletions

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 60e7d5448a1d..bb365c932555 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -288,10 +288,7 @@ int truncate_blocks(struct inode *inode, u64 from)
                 return err;
         }
 
-        if (IS_INODE(dn.node_page))
-                count = ADDRS_PER_INODE(F2FS_I(inode));
-        else
-                count = ADDRS_PER_BLOCK;
+        count = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode));
 
         count -= dn.ofs_in_node;
         f2fs_bug_on(count < 0);