f2fs: introduce max_file_blocks in sbi
Introduce max_file_blocks in sbi to store max block index of file in f2fs,
it could be used to avoid unneeded calculation of max block index in
runtime.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
[Jaegeuk Kim: fix overflow of sbi->max_file_blocks]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 4851e84..89a978c 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -762,7 +762,7 @@
struct buffer_head *bh_result, int create)
{
/* Block number less than F2FS MAX BLOCKS */
- if (unlikely(iblock >= max_file_size(0)))
+ if (unlikely(iblock >= F2FS_I_SB(inode)->max_file_blocks))
return -EFBIG;
return __get_data_block(inode, iblock, bh_result, create,