generic_file_read_iter has done the count test. So ext4_file_read_iter don't need to test the count repeatedly. Signed-off-by: Sean Fu <fxinrong@xxxxxxxxx> --- fs/ext4/file.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/fs/ext4/file.c b/fs/ext4/file.c index a0ae27b..87ca13e 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -67,9 +67,6 @@ static ssize_t ext4_file_read_iter(struct kiocb *iocb, struct iov_iter *to) if (unlikely(ext4_forced_shutdown(EXT4_SB(file_inode(iocb->ki_filp)->i_sb)))) return -EIO; - if (!iov_iter_count(to)) - return 0; /* skip atime */ - #ifdef CONFIG_FS_DAX if (IS_DAX(file_inode(iocb->ki_filp))) return ext4_dax_read_iter(iocb, to); -- 2.6.2
