The buffer uptodate state has been checked in function set_buffer_uptodate, there is no need use buffer_uptodate before calling set_buffer_uptodate and delete it.
Yang Guo (1): ext4: delete redundant uptodate check for buffer
fs/ext4/inode.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)