direct-io: remove some left over checks

We know that "ret > 0" is true here. These tests were left over from 02afc27faec9 ('direct-io: Handle O_(D)SYNC AIO') and aren't needed any more.

Signed-off-by Dan Carpenter <[email protected]>

fs/ext4/file.c +1 -1

index 1a5073959f32..6db7f7db7777 100644
@@ -153,7 +153,7 @@ ext4_file_dio_write(struct kiocb *iocb, const struct iovec *iov,
 		ssize_t err;
 
 		err = generic_write_sync(file, iocb->ki_pos - ret, ret);
-		if (err < 0 && ret > 0)
+		if (err < 0)
 			ret = err;
 	}
 	blk_finish_plug(&plug);

fs/btrfs/file.c +1 -1

index 0165b8672f09..7331a230e30b 100644
@@ -1797,7 +1797,7 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
 	BTRFS_I(inode)->last_sub_trans = root->log_transid;
 	if (num_written > 0) {
 		err = generic_write_sync(file, pos, num_written);
-		if (err < 0 && num_written > 0)
+		if (err < 0)
 			num_written = err;
 	}
 

fs/block_dev.c +1 -2

index c7a7def27b07..ba0d2b05bb78 100644
@@ -1523,7 +1523,7 @@ ssize_t blkdev_aio_write(struct kiocb *iocb, const struct iovec *iov,
 		ssize_t err;
 
 		err = generic_write_sync(file, pos, ret);
-		if (err < 0 && ret > 0)
+		if (err < 0)
 			ret = err;
 	}
 	blk_finish_plug(&plug);
--

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